diff --git a/Cargo.lock b/Cargo.lock
index b011d84c1..f6e27a14f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1111,8 +1111,8 @@ checksum = "4dccd0940a2dcdf68d092b8cbab7dc0ad8fa938bf95787e1b916b0e3d0e8e970"
 
 [[package]]
 name = "soroban-builtin-sdk-macros"
-version = "20.3.0"
-source = "git+https://github.com/stellar/rs-soroban-env?rev=a8c713db03ba5ebfdc4786b73dcba00284e15dbe#a8c713db03ba5ebfdc4786b73dcba00284e15dbe"
+version = "21.0.0"
+source = "git+https://github.com/stellar/rs-soroban-env?rev=4d9b1020f7b5baa0f972eb08ed8aa2cd3343ad7c#4d9b1020f7b5baa0f972eb08ed8aa2cd3343ad7c"
 dependencies = [
  "itertools",
  "proc-macro2",
@@ -1122,8 +1122,8 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-common"
-version = "20.3.0"
-source = "git+https://github.com/stellar/rs-soroban-env?rev=a8c713db03ba5ebfdc4786b73dcba00284e15dbe#a8c713db03ba5ebfdc4786b73dcba00284e15dbe"
+version = "21.0.0"
+source = "git+https://github.com/stellar/rs-soroban-env?rev=4d9b1020f7b5baa0f972eb08ed8aa2cd3343ad7c#4d9b1020f7b5baa0f972eb08ed8aa2cd3343ad7c"
 dependencies = [
  "arbitrary",
  "crate-git-revision",
@@ -1140,8 +1140,8 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-guest"
-version = "20.3.0"
-source = "git+https://github.com/stellar/rs-soroban-env?rev=a8c713db03ba5ebfdc4786b73dcba00284e15dbe#a8c713db03ba5ebfdc4786b73dcba00284e15dbe"
+version = "21.0.0"
+source = "git+https://github.com/stellar/rs-soroban-env?rev=4d9b1020f7b5baa0f972eb08ed8aa2cd3343ad7c#4d9b1020f7b5baa0f972eb08ed8aa2cd3343ad7c"
 dependencies = [
  "soroban-env-common",
  "static_assertions",
@@ -1149,8 +1149,8 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-host"
-version = "20.3.0"
-source = "git+https://github.com/stellar/rs-soroban-env?rev=a8c713db03ba5ebfdc4786b73dcba00284e15dbe#a8c713db03ba5ebfdc4786b73dcba00284e15dbe"
+version = "21.0.0"
+source = "git+https://github.com/stellar/rs-soroban-env?rev=4d9b1020f7b5baa0f972eb08ed8aa2cd3343ad7c#4d9b1020f7b5baa0f972eb08ed8aa2cd3343ad7c"
 dependencies = [
  "backtrace",
  "curve25519-dalek",
@@ -1181,8 +1181,8 @@ dependencies = [
 
 [[package]]
 name = "soroban-env-macros"
-version = "20.3.0"
-source = "git+https://github.com/stellar/rs-soroban-env?rev=a8c713db03ba5ebfdc4786b73dcba00284e15dbe#a8c713db03ba5ebfdc4786b73dcba00284e15dbe"
+version = "21.0.0"
+source = "git+https://github.com/stellar/rs-soroban-env?rev=4d9b1020f7b5baa0f972eb08ed8aa2cd3343ad7c#4d9b1020f7b5baa0f972eb08ed8aa2cd3343ad7c"
 dependencies = [
  "itertools",
  "proc-macro2",
@@ -1328,7 +1328,7 @@ dependencies = [
 [[package]]
 name = "stellar-xdr"
 version = "20.1.0"
-source = "git+https://github.com/stellar/rs-stellar-xdr?rev=3a001b1fbb20e4cfa2cef2c0cc450564e8528057#3a001b1fbb20e4cfa2cef2c0cc450564e8528057"
+source = "git+https://github.com/stellar/rs-stellar-xdr?rev=a80c899c61e869fd00b7b475a4947ab6aaf9dcac#a80c899c61e869fd00b7b475a4947ab6aaf9dcac"
 dependencies = [
  "arbitrary",
  "base64 0.13.1",
diff --git a/Cargo.toml b/Cargo.toml
index 804fe5ee0..4aa3ba23d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -41,19 +41,19 @@ soroban-ledger-snapshot = { version = "20.5.0", path = "soroban-ledger-snapshot"
 soroban-token-sdk = { version = "20.5.0", path = "soroban-token-sdk" }
 
 [workspace.dependencies.soroban-env-common]
-version = "=20.3.0"
+version = "=21.0.0"
 git = "https://github.com/stellar/rs-soroban-env"
-rev = "a8c713db03ba5ebfdc4786b73dcba00284e15dbe"
+rev = "4d9b1020f7b5baa0f972eb08ed8aa2cd3343ad7c"
 
 [workspace.dependencies.soroban-env-guest]
-version = "=20.3.0"
+version = "=21.0.0"
 git = "https://github.com/stellar/rs-soroban-env"
-rev = "a8c713db03ba5ebfdc4786b73dcba00284e15dbe"
+rev = "4d9b1020f7b5baa0f972eb08ed8aa2cd3343ad7c"
 
 [workspace.dependencies.soroban-env-host]
-version = "=20.3.0"
+version = "=21.0.0"
 git = "https://github.com/stellar/rs-soroban-env"
-rev = "a8c713db03ba5ebfdc4786b73dcba00284e15dbe"
+rev = "4d9b1020f7b5baa0f972eb08ed8aa2cd3343ad7c"
 
 [workspace.dependencies.stellar-strkey]
 version = "=0.0.8"
@@ -63,7 +63,7 @@ version = "=20.1.0"
 default-features = false
 features = ["curr"]
 git = "https://github.com/stellar/rs-stellar-xdr"
-rev = "3a001b1fbb20e4cfa2cef2c0cc450564e8528057"
+rev = "a80c899c61e869fd00b7b475a4947ab6aaf9dcac"
 
 #[patch."https://github.com/stellar/rs-soroban-env"]
 #soroban-env-common = { path = "../rs-soroban-env/soroban-env-common" }
diff --git a/soroban-ledger-snapshot/src/lib.rs b/soroban-ledger-snapshot/src/lib.rs
index 4d09b6787..bcdfeecaf 100644
--- a/soroban-ledger-snapshot/src/lib.rs
+++ b/soroban-ledger-snapshot/src/lib.rs
@@ -8,7 +8,7 @@ use std::{
 
 use soroban_env_host::{
     storage::SnapshotSource,
-    xdr::{LedgerEntry, LedgerKey, ScError, ScErrorCode},
+    xdr::{LedgerEntry, LedgerKey},
     Host, HostError, LedgerInfo,
 };
 
@@ -182,22 +182,22 @@ impl Default for LedgerSnapshot {
 }
 
 impl SnapshotSource for &LedgerSnapshot {
-    fn get(&self, key: &Rc<LedgerKey>) -> Result<(Rc<LedgerEntry>, Option<u32>), HostError> {
+    fn get(
+        &self,
+        key: &Rc<LedgerKey>,
+    ) -> Result<Option<(Rc<LedgerEntry>, Option<u32>)>, HostError> {
         match self.ledger_entries.iter().find(|(k, _)| **k == **key) {
-            Some((_, v)) => Ok((Rc::new(*v.0.clone()), v.1)),
-            None => Err(ScError::Storage(ScErrorCode::MissingValue).into()),
+            Some((_, v)) => Ok(Some((Rc::new(*v.0.clone()), v.1))),
+            None => Ok(None),
         }
     }
-    fn has(&self, key: &Rc<LedgerKey>) -> Result<bool, HostError> {
-        Ok(self.ledger_entries.iter().any(|(k, _)| **k == **key))
-    }
 }
 
 impl SnapshotSource for LedgerSnapshot {
-    fn get(&self, key: &Rc<LedgerKey>) -> Result<(Rc<LedgerEntry>, Option<u32>), HostError> {
+    fn get(
+        &self,
+        key: &Rc<LedgerKey>,
+    ) -> Result<Option<(Rc<LedgerEntry>, Option<u32>)>, HostError> {
         <_ as SnapshotSource>::get(&self, key)
     }
-    fn has(&self, key: &Rc<LedgerKey>) -> Result<bool, HostError> {
-        <_ as SnapshotSource>::has(&self, key)
-    }
 }
diff --git a/soroban-sdk/src/env.rs b/soroban-sdk/src/env.rs
index 9ff59e287..954122c93 100644
--- a/soroban-sdk/src/env.rs
+++ b/soroban-sdk/src/env.rs
@@ -454,10 +454,7 @@ use soroban_ledger_snapshot::LedgerSnapshot;
 #[cfg(any(test, feature = "testutils"))]
 use std::{path::Path, rc::Rc};
 #[cfg(any(test, feature = "testutils"))]
-use xdr::{
-    LedgerEntry, LedgerKey, LedgerKeyContractData, ScErrorCode, ScErrorType,
-    SorobanAuthorizationEntry,
-};
+use xdr::{LedgerEntry, LedgerKey, LedgerKeyContractData, SorobanAuthorizationEntry};
 
 #[cfg(any(test, feature = "testutils"))]
 #[cfg_attr(feature = "docs", doc(cfg(feature = "testutils")))]
@@ -484,20 +481,15 @@ impl Env {
             fn get(
                 &self,
                 _key: &Rc<xdr::LedgerKey>,
-            ) -> Result<(Rc<xdr::LedgerEntry>, Option<u32>), soroban_env_host::HostError>
+            ) -> Result<Option<(Rc<xdr::LedgerEntry>, Option<u32>)>, soroban_env_host::HostError>
             {
-                let err: internal::Error = (ScErrorType::Storage, ScErrorCode::MissingValue).into();
-                Err(err.into())
-            }
-
-            fn has(&self, _key: &Rc<xdr::LedgerKey>) -> Result<bool, soroban_env_host::HostError> {
-                Ok(false)
+                Ok(None)
             }
         }
 
         let rf = Rc::new(EmptySnapshotSource());
         let info = internal::LedgerInfo {
-            protocol_version: 20,
+            protocol_version: 21,
             sequence_number: 0,
             timestamp: 0,
             network_id: [0; 32],
diff --git a/soroban-sdk/test_snapshots/bytes/test/test_first_unchecked_panics.1.json b/soroban-sdk/test_snapshots/bytes/test/test_first_unchecked_panics.1.json
index 5fc3871a7..027f84d50 100644
--- a/soroban-sdk/test_snapshots/bytes/test/test_first_unchecked_panics.1.json
+++ b/soroban-sdk/test_snapshots/bytes/test/test_first_unchecked_panics.1.json
@@ -5,7 +5,7 @@
   },
   "auth": [],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/bytes/test/test_get_unchecked_panics.1.json b/soroban-sdk/test_snapshots/bytes/test/test_get_unchecked_panics.1.json
index 578a4a84a..da2725b91 100644
--- a/soroban-sdk/test_snapshots/bytes/test/test_get_unchecked_panics.1.json
+++ b/soroban-sdk/test_snapshots/bytes/test/test_get_unchecked_panics.1.json
@@ -5,7 +5,7 @@
   },
   "auth": [],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/bytes/test/test_insert_panic.1.json b/soroban-sdk/test_snapshots/bytes/test/test_insert_panic.1.json
index 17aa891a0..a9484f33a 100644
--- a/soroban-sdk/test_snapshots/bytes/test/test_insert_panic.1.json
+++ b/soroban-sdk/test_snapshots/bytes/test/test_insert_panic.1.json
@@ -5,7 +5,7 @@
   },
   "auth": [],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/bytes/test/test_last_unchecked_panics.1.json b/soroban-sdk/test_snapshots/bytes/test/test_last_unchecked_panics.1.json
index 84f9534de..da303c7a4 100644
--- a/soroban-sdk/test_snapshots/bytes/test/test_last_unchecked_panics.1.json
+++ b/soroban-sdk/test_snapshots/bytes/test/test_last_unchecked_panics.1.json
@@ -5,7 +5,7 @@
   },
   "auth": [],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/bytes/test/test_pop_unchecked_panics.1.json b/soroban-sdk/test_snapshots/bytes/test/test_pop_unchecked_panics.1.json
index 84f9534de..da303c7a4 100644
--- a/soroban-sdk/test_snapshots/bytes/test/test_pop_unchecked_panics.1.json
+++ b/soroban-sdk/test_snapshots/bytes/test/test_pop_unchecked_panics.1.json
@@ -5,7 +5,7 @@
   },
   "auth": [],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/bytes/test/test_remove_unchecked_panics.1.json b/soroban-sdk/test_snapshots/bytes/test/test_remove_unchecked_panics.1.json
index df2fee51a..cce06fe84 100644
--- a/soroban-sdk/test_snapshots/bytes/test/test_remove_unchecked_panics.1.json
+++ b/soroban-sdk/test_snapshots/bytes/test/test_remove_unchecked_panics.1.json
@@ -5,7 +5,7 @@
   },
   "auth": [],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/bytes/test/test_slice_panic.1.json b/soroban-sdk/test_snapshots/bytes/test/test_slice_panic.1.json
index 26e7c81de..7a5a85ab4 100644
--- a/soroban-sdk/test_snapshots/bytes/test/test_slice_panic.1.json
+++ b/soroban-sdk/test_snapshots/bytes/test/test_slice_panic.1.json
@@ -5,7 +5,7 @@
   },
   "auth": [],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/map/test/test_get_unchecked_panics_on_key_type_mismatch.1.json b/soroban-sdk/test_snapshots/map/test/test_get_unchecked_panics_on_key_type_mismatch.1.json
index 5b2de7b3c..478043979 100644
--- a/soroban-sdk/test_snapshots/map/test/test_get_unchecked_panics_on_key_type_mismatch.1.json
+++ b/soroban-sdk/test_snapshots/map/test/test_get_unchecked_panics_on_key_type_mismatch.1.json
@@ -5,7 +5,7 @@
   },
   "auth": [],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/map/test/test_remove_unchecked_panic.1.json b/soroban-sdk/test_snapshots/map/test/test_remove_unchecked_panic.1.json
index ebd8466d4..1087c18af 100644
--- a/soroban-sdk/test_snapshots/map/test/test_remove_unchecked_panic.1.json
+++ b/soroban-sdk/test_snapshots/map/test/test_remove_unchecked_panic.1.json
@@ -5,7 +5,7 @@
   },
   "auth": [],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/map/test/test_try_get_unchecked_panics_on_key_type_mismatch.1.json b/soroban-sdk/test_snapshots/map/test/test_try_get_unchecked_panics_on_key_type_mismatch.1.json
index 5b2de7b3c..478043979 100644
--- a/soroban-sdk/test_snapshots/map/test/test_try_get_unchecked_panics_on_key_type_mismatch.1.json
+++ b/soroban-sdk/test_snapshots/map/test/test_try_get_unchecked_panics_on_key_type_mismatch.1.json
@@ -5,7 +5,7 @@
   },
   "auth": [],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/auth/auth_10_one/test.1.json b/soroban-sdk/test_snapshots/tests/auth/auth_10_one/test.1.json
index c8f4b08c7..0bc673cab 100644
--- a/soroban-sdk/test_snapshots/tests/auth/auth_10_one/test.1.json
+++ b/soroban-sdk/test_snapshots/tests/auth/auth_10_one/test.1.json
@@ -56,7 +56,7 @@
     ]
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/auth/auth_15_one_repeat/test.1.json b/soroban-sdk/test_snapshots/tests/auth/auth_15_one_repeat/test.1.json
index ec916da5c..ecc3fd3cd 100644
--- a/soroban-sdk/test_snapshots/tests/auth/auth_15_one_repeat/test.1.json
+++ b/soroban-sdk/test_snapshots/tests/auth/auth_15_one_repeat/test.1.json
@@ -54,7 +54,7 @@
     ]
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/auth/auth_17_no_consume_requirement/test.1.json b/soroban-sdk/test_snapshots/tests/auth/auth_17_no_consume_requirement/test.1.json
index b3dbe00b5..d49547637 100644
--- a/soroban-sdk/test_snapshots/tests/auth/auth_17_no_consume_requirement/test.1.json
+++ b/soroban-sdk/test_snapshots/tests/auth/auth_17_no_consume_requirement/test.1.json
@@ -31,7 +31,7 @@
     ]
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/auth/auth_20_deep_one_address/test.1.json b/soroban-sdk/test_snapshots/tests/auth/auth_20_deep_one_address/test.1.json
index 571ead5d8..fa6af8b71 100644
--- a/soroban-sdk/test_snapshots/tests/auth/auth_20_deep_one_address/test.1.json
+++ b/soroban-sdk/test_snapshots/tests/auth/auth_20_deep_one_address/test.1.json
@@ -25,7 +25,7 @@
     ]
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/auth/auth_20_deep_one_address/test_auth_tree.1.json b/soroban-sdk/test_snapshots/tests/auth/auth_20_deep_one_address/test_auth_tree.1.json
index 1a73740fb..50a5f4fc8 100644
--- a/soroban-sdk/test_snapshots/tests/auth/auth_20_deep_one_address/test_auth_tree.1.json
+++ b/soroban-sdk/test_snapshots/tests/auth/auth_20_deep_one_address/test_auth_tree.1.json
@@ -7,7 +7,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/auth/auth_30_deep_one_address_repeat/test.1.json b/soroban-sdk/test_snapshots/tests/auth/auth_30_deep_one_address_repeat/test.1.json
index da5b3bcf5..64b33dbb6 100644
--- a/soroban-sdk/test_snapshots/tests/auth/auth_30_deep_one_address_repeat/test.1.json
+++ b/soroban-sdk/test_snapshots/tests/auth/auth_30_deep_one_address_repeat/test.1.json
@@ -42,7 +42,7 @@
     ]
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/auth/auth_30_deep_one_address_repeat/test_auth_tree.1.json b/soroban-sdk/test_snapshots/tests/auth/auth_30_deep_one_address_repeat/test_auth_tree.1.json
index 1a73740fb..50a5f4fc8 100644
--- a/soroban-sdk/test_snapshots/tests/auth/auth_30_deep_one_address_repeat/test_auth_tree.1.json
+++ b/soroban-sdk/test_snapshots/tests/auth/auth_30_deep_one_address_repeat/test_auth_tree.1.json
@@ -7,7 +7,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/auth/auth_35_deep_one_address_repeat_grouped/test.1.json b/soroban-sdk/test_snapshots/tests/auth/auth_35_deep_one_address_repeat_grouped/test.1.json
index da5b3bcf5..64b33dbb6 100644
--- a/soroban-sdk/test_snapshots/tests/auth/auth_35_deep_one_address_repeat_grouped/test.1.json
+++ b/soroban-sdk/test_snapshots/tests/auth/auth_35_deep_one_address_repeat_grouped/test.1.json
@@ -42,7 +42,7 @@
     ]
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/auth/auth_35_deep_one_address_repeat_grouped/test_auth_tree.1.json b/soroban-sdk/test_snapshots/tests/auth/auth_35_deep_one_address_repeat_grouped/test_auth_tree.1.json
index 1a73740fb..50a5f4fc8 100644
--- a/soroban-sdk/test_snapshots/tests/auth/auth_35_deep_one_address_repeat_grouped/test_auth_tree.1.json
+++ b/soroban-sdk/test_snapshots/tests/auth/auth_35_deep_one_address_repeat_grouped/test_auth_tree.1.json
@@ -7,7 +7,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/auth/auth_40_multi_one_address/test_auth_as_tree.1.json b/soroban-sdk/test_snapshots/tests/auth/auth_40_multi_one_address/test_auth_as_tree.1.json
index 13b955457..a1631f20d 100644
--- a/soroban-sdk/test_snapshots/tests/auth/auth_40_multi_one_address/test_auth_as_tree.1.json
+++ b/soroban-sdk/test_snapshots/tests/auth/auth_40_multi_one_address/test_auth_as_tree.1.json
@@ -40,7 +40,7 @@
     ]
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/auth/auth_40_multi_one_address/test_auth_not_allowed_with_separated_tree.1.json b/soroban-sdk/test_snapshots/tests/auth/auth_40_multi_one_address/test_auth_not_allowed_with_separated_tree.1.json
index d502bc0a4..10192dacb 100644
--- a/soroban-sdk/test_snapshots/tests/auth/auth_40_multi_one_address/test_auth_not_allowed_with_separated_tree.1.json
+++ b/soroban-sdk/test_snapshots/tests/auth/auth_40_multi_one_address/test_auth_not_allowed_with_separated_tree.1.json
@@ -7,7 +7,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/budget/test_budget.1.json b/soroban-sdk/test_snapshots/tests/budget/test_budget.1.json
index e10dce845..eff0c9a3d 100644
--- a/soroban-sdk/test_snapshots/tests/budget/test_budget.1.json
+++ b/soroban-sdk/test_snapshots/tests/budget/test_budget.1.json
@@ -7,7 +7,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/contract_add_i32/test_functional.1.json b/soroban-sdk/test_snapshots/tests/contract_add_i32/test_functional.1.json
index 30de649cd..527824c83 100644
--- a/soroban-sdk/test_snapshots/tests/contract_add_i32/test_functional.1.json
+++ b/soroban-sdk/test_snapshots/tests/contract_add_i32/test_functional.1.json
@@ -7,7 +7,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/contract_assert/test_invoke_expect_error.1.json b/soroban-sdk/test_snapshots/tests/contract_assert/test_invoke_expect_error.1.json
index 3ca020823..2f7ca74cd 100644
--- a/soroban-sdk/test_snapshots/tests/contract_assert/test_invoke_expect_error.1.json
+++ b/soroban-sdk/test_snapshots/tests/contract_assert/test_invoke_expect_error.1.json
@@ -7,7 +7,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/contract_assert/test_try_invoke.1.json b/soroban-sdk/test_snapshots/tests/contract_assert/test_try_invoke.1.json
index a2e3ebb91..3ada95c7a 100644
--- a/soroban-sdk/test_snapshots/tests/contract_assert/test_try_invoke.1.json
+++ b/soroban-sdk/test_snapshots/tests/contract_assert/test_try_invoke.1.json
@@ -7,7 +7,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/contract_docs/fn_/test_functional.1.json b/soroban-sdk/test_snapshots/tests/contract_docs/fn_/test_functional.1.json
index 9bf7ae611..4dc2bfde5 100644
--- a/soroban-sdk/test_snapshots/tests/contract_docs/fn_/test_functional.1.json
+++ b/soroban-sdk/test_snapshots/tests/contract_docs/fn_/test_functional.1.json
@@ -7,7 +7,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/contract_duration/test_functional.1.json b/soroban-sdk/test_snapshots/tests/contract_duration/test_functional.1.json
index 3d4faab93..c17018e5c 100644
--- a/soroban-sdk/test_snapshots/tests/contract_duration/test_functional.1.json
+++ b/soroban-sdk/test_snapshots/tests/contract_duration/test_functional.1.json
@@ -7,7 +7,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/contract_fn/test_functional.1.json b/soroban-sdk/test_snapshots/tests/contract_fn/test_functional.1.json
index 30de649cd..527824c83 100644
--- a/soroban-sdk/test_snapshots/tests/contract_fn/test_functional.1.json
+++ b/soroban-sdk/test_snapshots/tests/contract_fn/test_functional.1.json
@@ -7,7 +7,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/contract_invoke/test_invoke_expect_error.1.json b/soroban-sdk/test_snapshots/tests/contract_invoke/test_invoke_expect_error.1.json
index 2497dfefe..39bd24f50 100644
--- a/soroban-sdk/test_snapshots/tests/contract_invoke/test_invoke_expect_error.1.json
+++ b/soroban-sdk/test_snapshots/tests/contract_invoke/test_invoke_expect_error.1.json
@@ -7,7 +7,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/contract_invoke/test_invoke_expect_string.1.json b/soroban-sdk/test_snapshots/tests/contract_invoke/test_invoke_expect_string.1.json
index 2497dfefe..39bd24f50 100644
--- a/soroban-sdk/test_snapshots/tests/contract_invoke/test_invoke_expect_string.1.json
+++ b/soroban-sdk/test_snapshots/tests/contract_invoke/test_invoke_expect_string.1.json
@@ -7,7 +7,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/contract_invoke/test_try_invoke.1.json b/soroban-sdk/test_snapshots/tests/contract_invoke/test_try_invoke.1.json
index 5b4956e2c..68ad1f6cb 100644
--- a/soroban-sdk/test_snapshots/tests/contract_invoke/test_try_invoke.1.json
+++ b/soroban-sdk/test_snapshots/tests/contract_invoke/test_try_invoke.1.json
@@ -7,7 +7,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/contract_overlapping_type_fn_names/test_functional.1.json b/soroban-sdk/test_snapshots/tests/contract_overlapping_type_fn_names/test_functional.1.json
index 294d137bf..84b82a808 100644
--- a/soroban-sdk/test_snapshots/tests/contract_overlapping_type_fn_names/test_functional.1.json
+++ b/soroban-sdk/test_snapshots/tests/contract_overlapping_type_fn_names/test_functional.1.json
@@ -7,7 +7,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/contract_snapshot/test.1.json b/soroban-sdk/test_snapshots/tests/contract_snapshot/test.1.json
index a3ae59875..8168b7713 100644
--- a/soroban-sdk/test_snapshots/tests/contract_snapshot/test.1.json
+++ b/soroban-sdk/test_snapshots/tests/contract_snapshot/test.1.json
@@ -7,7 +7,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/contract_snapshot/test.2.json b/soroban-sdk/test_snapshots/tests/contract_snapshot/test.2.json
index 8da367650..b1d4826ac 100644
--- a/soroban-sdk/test_snapshots/tests/contract_snapshot/test.2.json
+++ b/soroban-sdk/test_snapshots/tests/contract_snapshot/test.2.json
@@ -8,7 +8,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/contract_store/test_storage.1.json b/soroban-sdk/test_snapshots/tests/contract_store/test_storage.1.json
index a35831008..f03af7a54 100644
--- a/soroban-sdk/test_snapshots/tests/contract_store/test_storage.1.json
+++ b/soroban-sdk/test_snapshots/tests/contract_store/test_storage.1.json
@@ -25,7 +25,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/contract_timepoint/test_functional.1.json b/soroban-sdk/test_snapshots/tests/contract_timepoint/test_functional.1.json
index 7a1a700fc..6105e64e0 100644
--- a/soroban-sdk/test_snapshots/tests/contract_timepoint/test_functional.1.json
+++ b/soroban-sdk/test_snapshots/tests/contract_timepoint/test_functional.1.json
@@ -7,7 +7,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/contract_udt_enum/test_functional.1.json b/soroban-sdk/test_snapshots/tests/contract_udt_enum/test_functional.1.json
index 24df8eeb2..cbea43c52 100644
--- a/soroban-sdk/test_snapshots/tests/contract_udt_enum/test_functional.1.json
+++ b/soroban-sdk/test_snapshots/tests/contract_udt_enum/test_functional.1.json
@@ -7,7 +7,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/contract_udt_option/test_functional.1.json b/soroban-sdk/test_snapshots/tests/contract_udt_option/test_functional.1.json
index a55f01792..a6d5533a1 100644
--- a/soroban-sdk/test_snapshots/tests/contract_udt_option/test_functional.1.json
+++ b/soroban-sdk/test_snapshots/tests/contract_udt_option/test_functional.1.json
@@ -7,7 +7,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/contract_udt_struct/test_error_on_partial_decode.1.json b/soroban-sdk/test_snapshots/tests/contract_udt_struct/test_error_on_partial_decode.1.json
index 00840406d..d20344a9a 100644
--- a/soroban-sdk/test_snapshots/tests/contract_udt_struct/test_error_on_partial_decode.1.json
+++ b/soroban-sdk/test_snapshots/tests/contract_udt_struct/test_error_on_partial_decode.1.json
@@ -5,7 +5,7 @@
   },
   "auth": [],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/contract_udt_struct/test_functional.1.json b/soroban-sdk/test_snapshots/tests/contract_udt_struct/test_functional.1.json
index fcfb53a04..e4257ad18 100644
--- a/soroban-sdk/test_snapshots/tests/contract_udt_struct/test_functional.1.json
+++ b/soroban-sdk/test_snapshots/tests/contract_udt_struct/test_functional.1.json
@@ -7,7 +7,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/contract_udt_struct/test_long_names_functional.1.json b/soroban-sdk/test_snapshots/tests/contract_udt_struct/test_long_names_functional.1.json
index 06d7b3642..a2193ae62 100644
--- a/soroban-sdk/test_snapshots/tests/contract_udt_struct/test_long_names_functional.1.json
+++ b/soroban-sdk/test_snapshots/tests/contract_udt_struct/test_long_names_functional.1.json
@@ -7,7 +7,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/contract_udt_struct_tuple/test_error_on_partial_decode.1.json b/soroban-sdk/test_snapshots/tests/contract_udt_struct_tuple/test_error_on_partial_decode.1.json
index f97d79a1a..07703559f 100644
--- a/soroban-sdk/test_snapshots/tests/contract_udt_struct_tuple/test_error_on_partial_decode.1.json
+++ b/soroban-sdk/test_snapshots/tests/contract_udt_struct_tuple/test_error_on_partial_decode.1.json
@@ -5,7 +5,7 @@
   },
   "auth": [],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/contract_udt_struct_tuple/test_functional.1.json b/soroban-sdk/test_snapshots/tests/contract_udt_struct_tuple/test_functional.1.json
index 8aa65fe96..146bb84ba 100644
--- a/soroban-sdk/test_snapshots/tests/contract_udt_struct_tuple/test_functional.1.json
+++ b/soroban-sdk/test_snapshots/tests/contract_udt_struct_tuple/test_functional.1.json
@@ -7,7 +7,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/crypto_ed25519/test_verify_sig_ed25519_invalid_sig.1.json b/soroban-sdk/test_snapshots/tests/crypto_ed25519/test_verify_sig_ed25519_invalid_sig.1.json
index bb6bb5f9f..91da61ac2 100644
--- a/soroban-sdk/test_snapshots/tests/crypto_ed25519/test_verify_sig_ed25519_invalid_sig.1.json
+++ b/soroban-sdk/test_snapshots/tests/crypto_ed25519/test_verify_sig_ed25519_invalid_sig.1.json
@@ -5,7 +5,7 @@
   },
   "auth": [],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/env/default_and_from_snapshot_same_settings.1.json b/soroban-sdk/test_snapshots/tests/env/default_and_from_snapshot_same_settings.1.json
index ea67200b6..f05af2ab7 100644
--- a/soroban-sdk/test_snapshots/tests/env/default_and_from_snapshot_same_settings.1.json
+++ b/soroban-sdk/test_snapshots/tests/env/default_and_from_snapshot_same_settings.1.json
@@ -8,7 +8,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/env/default_and_from_snapshot_same_settings.2.json b/soroban-sdk/test_snapshots/tests/env/default_and_from_snapshot_same_settings.2.json
index ea67200b6..f05af2ab7 100644
--- a/soroban-sdk/test_snapshots/tests/env/default_and_from_snapshot_same_settings.2.json
+++ b/soroban-sdk/test_snapshots/tests/env/default_and_from_snapshot_same_settings.2.json
@@ -8,7 +8,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/env/register_contract_deploys_predictable_contract_ids.1.json b/soroban-sdk/test_snapshots/tests/env/register_contract_deploys_predictable_contract_ids.1.json
index 23bc8fa0f..da87fad36 100644
--- a/soroban-sdk/test_snapshots/tests/env/register_contract_deploys_predictable_contract_ids.1.json
+++ b/soroban-sdk/test_snapshots/tests/env/register_contract_deploys_predictable_contract_ids.1.json
@@ -5,7 +5,7 @@
   },
   "auth": [],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/env/register_contract_deploys_predictable_contract_ids.2.json b/soroban-sdk/test_snapshots/tests/env/register_contract_deploys_predictable_contract_ids.2.json
index 71c582bee..8e89d5f7a 100644
--- a/soroban-sdk/test_snapshots/tests/env/register_contract_deploys_predictable_contract_ids.2.json
+++ b/soroban-sdk/test_snapshots/tests/env/register_contract_deploys_predictable_contract_ids.2.json
@@ -5,7 +5,7 @@
   },
   "auth": [],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/env/register_contract_deploys_predictable_contract_ids.3.json b/soroban-sdk/test_snapshots/tests/env/register_contract_deploys_predictable_contract_ids.3.json
index 71c582bee..8e89d5f7a 100644
--- a/soroban-sdk/test_snapshots/tests/env/register_contract_deploys_predictable_contract_ids.3.json
+++ b/soroban-sdk/test_snapshots/tests/env/register_contract_deploys_predictable_contract_ids.3.json
@@ -5,7 +5,7 @@
   },
   "auth": [],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/max_ttl/max.1.json b/soroban-sdk/test_snapshots/tests/max_ttl/max.1.json
index 631a8b7b0..4facde110 100644
--- a/soroban-sdk/test_snapshots/tests/max_ttl/max.1.json
+++ b/soroban-sdk/test_snapshots/tests/max_ttl/max.1.json
@@ -7,7 +7,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 1,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/prng/test_prng_fill_array.1.json b/soroban-sdk/test_snapshots/tests/prng/test_prng_fill_array.1.json
index 73cf5d4e5..4a934efea 100644
--- a/soroban-sdk/test_snapshots/tests/prng/test_prng_fill_array.1.json
+++ b/soroban-sdk/test_snapshots/tests/prng/test_prng_fill_array.1.json
@@ -7,7 +7,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/prng/test_prng_fill_bytes.1.json b/soroban-sdk/test_snapshots/tests/prng/test_prng_fill_bytes.1.json
index 73cf5d4e5..4a934efea 100644
--- a/soroban-sdk/test_snapshots/tests/prng/test_prng_fill_bytes.1.json
+++ b/soroban-sdk/test_snapshots/tests/prng/test_prng_fill_bytes.1.json
@@ -7,7 +7,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/prng/test_prng_fill_bytesn.1.json b/soroban-sdk/test_snapshots/tests/prng/test_prng_fill_bytesn.1.json
index 73cf5d4e5..4a934efea 100644
--- a/soroban-sdk/test_snapshots/tests/prng/test_prng_fill_bytesn.1.json
+++ b/soroban-sdk/test_snapshots/tests/prng/test_prng_fill_bytesn.1.json
@@ -7,7 +7,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/prng/test_prng_fill_slice.1.json b/soroban-sdk/test_snapshots/tests/prng/test_prng_fill_slice.1.json
index 73cf5d4e5..4a934efea 100644
--- a/soroban-sdk/test_snapshots/tests/prng/test_prng_fill_slice.1.json
+++ b/soroban-sdk/test_snapshots/tests/prng/test_prng_fill_slice.1.json
@@ -7,7 +7,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/prng/test_prng_fill_u64.1.json b/soroban-sdk/test_snapshots/tests/prng/test_prng_fill_u64.1.json
index 73cf5d4e5..4a934efea 100644
--- a/soroban-sdk/test_snapshots/tests/prng/test_prng_fill_u64.1.json
+++ b/soroban-sdk/test_snapshots/tests/prng/test_prng_fill_u64.1.json
@@ -7,7 +7,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/prng/test_prng_gen_array.1.json b/soroban-sdk/test_snapshots/tests/prng/test_prng_gen_array.1.json
index 73cf5d4e5..4a934efea 100644
--- a/soroban-sdk/test_snapshots/tests/prng/test_prng_gen_array.1.json
+++ b/soroban-sdk/test_snapshots/tests/prng/test_prng_gen_array.1.json
@@ -7,7 +7,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/prng/test_prng_gen_bytesn.1.json b/soroban-sdk/test_snapshots/tests/prng/test_prng_gen_bytesn.1.json
index 73cf5d4e5..4a934efea 100644
--- a/soroban-sdk/test_snapshots/tests/prng/test_prng_gen_bytesn.1.json
+++ b/soroban-sdk/test_snapshots/tests/prng/test_prng_gen_bytesn.1.json
@@ -7,7 +7,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/prng/test_prng_gen_len_bytes.1.json b/soroban-sdk/test_snapshots/tests/prng/test_prng_gen_len_bytes.1.json
index 73cf5d4e5..4a934efea 100644
--- a/soroban-sdk/test_snapshots/tests/prng/test_prng_gen_len_bytes.1.json
+++ b/soroban-sdk/test_snapshots/tests/prng/test_prng_gen_len_bytes.1.json
@@ -7,7 +7,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/prng/test_prng_gen_range_u64.1.json b/soroban-sdk/test_snapshots/tests/prng/test_prng_gen_range_u64.1.json
index 73cf5d4e5..4a934efea 100644
--- a/soroban-sdk/test_snapshots/tests/prng/test_prng_gen_range_u64.1.json
+++ b/soroban-sdk/test_snapshots/tests/prng/test_prng_gen_range_u64.1.json
@@ -7,7 +7,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/prng/test_prng_gen_range_u64_panic_on_invalid_range.1.json b/soroban-sdk/test_snapshots/tests/prng/test_prng_gen_range_u64_panic_on_invalid_range.1.json
index d90bac6ea..48fb8a082 100644
--- a/soroban-sdk/test_snapshots/tests/prng/test_prng_gen_range_u64_panic_on_invalid_range.1.json
+++ b/soroban-sdk/test_snapshots/tests/prng/test_prng_gen_range_u64_panic_on_invalid_range.1.json
@@ -5,7 +5,7 @@
   },
   "auth": [],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/prng/test_prng_gen_u64.1.json b/soroban-sdk/test_snapshots/tests/prng/test_prng_gen_u64.1.json
index 73cf5d4e5..4a934efea 100644
--- a/soroban-sdk/test_snapshots/tests/prng/test_prng_gen_u64.1.json
+++ b/soroban-sdk/test_snapshots/tests/prng/test_prng_gen_u64.1.json
@@ -7,7 +7,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/prng/test_prng_seed.1.json b/soroban-sdk/test_snapshots/tests/prng/test_prng_seed.1.json
index 73cf5d4e5..4a934efea 100644
--- a/soroban-sdk/test_snapshots/tests/prng/test_prng_seed.1.json
+++ b/soroban-sdk/test_snapshots/tests/prng/test_prng_seed.1.json
@@ -7,7 +7,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/prng/test_prng_seed.2.json b/soroban-sdk/test_snapshots/tests/prng/test_prng_seed.2.json
index 73cf5d4e5..4a934efea 100644
--- a/soroban-sdk/test_snapshots/tests/prng/test_prng_seed.2.json
+++ b/soroban-sdk/test_snapshots/tests/prng/test_prng_seed.2.json
@@ -7,7 +7,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/prng/test_prng_shuffle.1.json b/soroban-sdk/test_snapshots/tests/prng/test_prng_shuffle.1.json
index 258191ee1..af654ea29 100644
--- a/soroban-sdk/test_snapshots/tests/prng/test_prng_shuffle.1.json
+++ b/soroban-sdk/test_snapshots/tests/prng/test_prng_shuffle.1.json
@@ -8,7 +8,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/prng/test_vec_shuffle.1.json b/soroban-sdk/test_snapshots/tests/prng/test_vec_shuffle.1.json
index 258191ee1..af654ea29 100644
--- a/soroban-sdk/test_snapshots/tests/prng/test_vec_shuffle.1.json
+++ b/soroban-sdk/test_snapshots/tests/prng/test_vec_shuffle.1.json
@@ -8,7 +8,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/storage_testutils/all.1.json b/soroban-sdk/test_snapshots/tests/storage_testutils/all.1.json
index b1e44f898..1fd4d130b 100644
--- a/soroban-sdk/test_snapshots/tests/storage_testutils/all.1.json
+++ b/soroban-sdk/test_snapshots/tests/storage_testutils/all.1.json
@@ -8,7 +8,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/token_client/test_mock_all_auth.1.json b/soroban-sdk/test_snapshots/tests/token_client/test_mock_all_auth.1.json
index 5cdbf608f..3b6708714 100644
--- a/soroban-sdk/test_snapshots/tests/token_client/test_mock_all_auth.1.json
+++ b/soroban-sdk/test_snapshots/tests/token_client/test_mock_all_auth.1.json
@@ -61,7 +61,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/tests/token_client/test_mock_auth.1.json b/soroban-sdk/test_snapshots/tests/token_client/test_mock_auth.1.json
index 230c005b0..b0a7256ad 100644
--- a/soroban-sdk/test_snapshots/tests/token_client/test_mock_auth.1.json
+++ b/soroban-sdk/test_snapshots/tests/token_client/test_mock_auth.1.json
@@ -60,7 +60,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/vec/test/test_get_unchecked_panics_on_out_of_bounds.1.json b/soroban-sdk/test_snapshots/vec/test/test_get_unchecked_panics_on_out_of_bounds.1.json
index 26e7c81de..7a5a85ab4 100644
--- a/soroban-sdk/test_snapshots/vec/test/test_get_unchecked_panics_on_out_of_bounds.1.json
+++ b/soroban-sdk/test_snapshots/vec/test/test_get_unchecked_panics_on_out_of_bounds.1.json
@@ -5,7 +5,7 @@
   },
   "auth": [],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/vec/test/test_pop_back_unchecked_panics_on_out_of_bounds.1.json b/soroban-sdk/test_snapshots/vec/test/test_pop_back_unchecked_panics_on_out_of_bounds.1.json
index c3e27fec0..69499ccea 100644
--- a/soroban-sdk/test_snapshots/vec/test/test_pop_back_unchecked_panics_on_out_of_bounds.1.json
+++ b/soroban-sdk/test_snapshots/vec/test/test_pop_back_unchecked_panics_on_out_of_bounds.1.json
@@ -5,7 +5,7 @@
   },
   "auth": [],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/vec/test/test_pop_front_unchecked_panics_on_out_of_bounds.1.json b/soroban-sdk/test_snapshots/vec/test/test_pop_front_unchecked_panics_on_out_of_bounds.1.json
index c3e27fec0..69499ccea 100644
--- a/soroban-sdk/test_snapshots/vec/test/test_pop_front_unchecked_panics_on_out_of_bounds.1.json
+++ b/soroban-sdk/test_snapshots/vec/test/test_pop_front_unchecked_panics_on_out_of_bounds.1.json
@@ -5,7 +5,7 @@
   },
   "auth": [],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/vec/test/test_remove_unchecked_panics.1.json b/soroban-sdk/test_snapshots/vec/test/test_remove_unchecked_panics.1.json
index 26e7c81de..7a5a85ab4 100644
--- a/soroban-sdk/test_snapshots/vec/test/test_remove_unchecked_panics.1.json
+++ b/soroban-sdk/test_snapshots/vec/test/test_remove_unchecked_panics.1.json
@@ -5,7 +5,7 @@
   },
   "auth": [],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/vec/test/test_try_get_unchecked_panics.1.json b/soroban-sdk/test_snapshots/vec/test/test_try_get_unchecked_panics.1.json
index 26e7c81de..7a5a85ab4 100644
--- a/soroban-sdk/test_snapshots/vec/test/test_try_get_unchecked_panics.1.json
+++ b/soroban-sdk/test_snapshots/vec/test/test_try_get_unchecked_panics.1.json
@@ -5,7 +5,7 @@
   },
   "auth": [],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/vec/test/test_try_pop_back_unchecked_panics_on_out_of_bounds.1.json b/soroban-sdk/test_snapshots/vec/test/test_try_pop_back_unchecked_panics_on_out_of_bounds.1.json
index c3e27fec0..69499ccea 100644
--- a/soroban-sdk/test_snapshots/vec/test/test_try_pop_back_unchecked_panics_on_out_of_bounds.1.json
+++ b/soroban-sdk/test_snapshots/vec/test/test_try_pop_back_unchecked_panics_on_out_of_bounds.1.json
@@ -5,7 +5,7 @@
   },
   "auth": [],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/soroban-sdk/test_snapshots/vec/test/test_try_pop_front_unchecked_panics_on_out_of_bounds.1.json b/soroban-sdk/test_snapshots/vec/test/test_try_pop_front_unchecked_panics_on_out_of_bounds.1.json
index c3e27fec0..69499ccea 100644
--- a/soroban-sdk/test_snapshots/vec/test/test_try_pop_front_unchecked_panics_on_out_of_bounds.1.json
+++ b/soroban-sdk/test_snapshots/vec/test/test_try_pop_front_unchecked_panics_on_out_of_bounds.1.json
@@ -5,7 +5,7 @@
   },
   "auth": [],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/tests/add_i128/test_snapshots/test/test_add.1.json b/tests/add_i128/test_snapshots/test/test_add.1.json
index 824dd4920..b67eb63f9 100644
--- a/tests/add_i128/test_snapshots/test/test_add.1.json
+++ b/tests/add_i128/test_snapshots/test/test_add.1.json
@@ -7,7 +7,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/tests/add_u128/test_snapshots/test/test_add.1.json b/tests/add_u128/test_snapshots/test/test_add.1.json
index acb77970b..bff12f920 100644
--- a/tests/add_u128/test_snapshots/test/test_add.1.json
+++ b/tests/add_u128/test_snapshots/test/test_add.1.json
@@ -7,7 +7,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/tests/add_u64/test_snapshots/test/test_add.1.json b/tests/add_u64/test_snapshots/test/test_add.1.json
index 8675ba1da..606b3638f 100644
--- a/tests/add_u64/test_snapshots/test/test_add.1.json
+++ b/tests/add_u64/test_snapshots/test/test_add.1.json
@@ -7,7 +7,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/tests/alloc/test_snapshots/test/test_add.1.json b/tests/alloc/test_snapshots/test/test_add.1.json
index b786bbf01..42f0b0c15 100644
--- a/tests/alloc/test_snapshots/test/test_add.1.json
+++ b/tests/alloc/test_snapshots/test/test_add.1.json
@@ -7,7 +7,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/tests/auth/test_snapshots/test_a/test_with_mock_all_auth.1.json b/tests/auth/test_snapshots/test_a/test_with_mock_all_auth.1.json
index 9a37ed333..4bfb3fbd1 100644
--- a/tests/auth/test_snapshots/test_a/test_with_mock_all_auth.1.json
+++ b/tests/auth/test_snapshots/test_a/test_with_mock_all_auth.1.json
@@ -25,7 +25,7 @@
     ]
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/tests/auth/test_snapshots/test_a/test_with_mock_auth.1.json b/tests/auth/test_snapshots/test_a/test_with_mock_auth.1.json
index 8eda85ce7..b751d418e 100644
--- a/tests/auth/test_snapshots/test_a/test_with_mock_auth.1.json
+++ b/tests/auth/test_snapshots/test_a/test_with_mock_auth.1.json
@@ -25,7 +25,7 @@
     ]
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/tests/auth/test_snapshots/test_a/test_with_real_contract_auth_approve.1.json b/tests/auth/test_snapshots/test_a/test_with_real_contract_auth_approve.1.json
index 6fe6d704b..5d7cf6747 100644
--- a/tests/auth/test_snapshots/test_a/test_with_real_contract_auth_approve.1.json
+++ b/tests/auth/test_snapshots/test_a/test_with_real_contract_auth_approve.1.json
@@ -25,7 +25,7 @@
     ]
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/tests/auth/test_snapshots/test_a/test_with_real_contract_auth_decline.1.json b/tests/auth/test_snapshots/test_a/test_with_real_contract_auth_decline.1.json
index e468ebc21..2ca569b28 100644
--- a/tests/auth/test_snapshots/test_a/test_with_real_contract_auth_decline.1.json
+++ b/tests/auth/test_snapshots/test_a/test_with_real_contract_auth_decline.1.json
@@ -7,7 +7,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/tests/auth/test_snapshots/test_b/test_with_mock_all_auth.1.json b/tests/auth/test_snapshots/test_b/test_with_mock_all_auth.1.json
index c85ac1004..e55737d0d 100644
--- a/tests/auth/test_snapshots/test_b/test_with_mock_all_auth.1.json
+++ b/tests/auth/test_snapshots/test_b/test_with_mock_all_auth.1.json
@@ -43,7 +43,7 @@
     ]
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/tests/auth/test_snapshots/test_b/test_with_mock_auth.1.json b/tests/auth/test_snapshots/test_b/test_with_mock_auth.1.json
index 5ba6fff5e..253f9b48e 100644
--- a/tests/auth/test_snapshots/test_b/test_with_mock_auth.1.json
+++ b/tests/auth/test_snapshots/test_b/test_with_mock_auth.1.json
@@ -43,7 +43,7 @@
     ]
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/tests/auth/test_snapshots/test_b/test_with_real_contract_auth_approve.1.json b/tests/auth/test_snapshots/test_b/test_with_real_contract_auth_approve.1.json
index 8847d50e2..7243c9a81 100644
--- a/tests/auth/test_snapshots/test_b/test_with_real_contract_auth_approve.1.json
+++ b/tests/auth/test_snapshots/test_b/test_with_real_contract_auth_approve.1.json
@@ -43,7 +43,7 @@
     ]
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/tests/auth/test_snapshots/test_b/test_with_real_contract_auth_decline.1.json b/tests/auth/test_snapshots/test_b/test_with_real_contract_auth_decline.1.json
index 693e41f16..3df3cc2b3 100644
--- a/tests/auth/test_snapshots/test_b/test_with_real_contract_auth_decline.1.json
+++ b/tests/auth/test_snapshots/test_b/test_with_real_contract_auth_decline.1.json
@@ -7,7 +7,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/tests/empty/test_snapshots/test/test_hello.1.json b/tests/empty/test_snapshots/test/test_hello.1.json
index f58219c2c..21049c75b 100644
--- a/tests/empty/test_snapshots/test/test_hello.1.json
+++ b/tests/empty/test_snapshots/test/test_hello.1.json
@@ -7,7 +7,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/tests/empty2/test_snapshots/test/test_hello.1.json b/tests/empty2/test_snapshots/test/test_hello.1.json
index 7b5c7891f..a9c9276f9 100644
--- a/tests/empty2/test_snapshots/test/test_hello.1.json
+++ b/tests/empty2/test_snapshots/test/test_hello.1.json
@@ -5,7 +5,7 @@
   },
   "auth": [],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/tests/errors/test_snapshots/test/hello_ok.1.json b/tests/errors/test_snapshots/test/hello_ok.1.json
index 37e4598d4..09d9d3ab0 100644
--- a/tests/errors/test_snapshots/test/hello_ok.1.json
+++ b/tests/errors/test_snapshots/test/hello_ok.1.json
@@ -8,7 +8,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/tests/errors/test_snapshots/test/try_hello_error.1.json b/tests/errors/test_snapshots/test/try_hello_error.1.json
index dfdb8e569..bc8d10299 100644
--- a/tests/errors/test_snapshots/test/try_hello_error.1.json
+++ b/tests/errors/test_snapshots/test/try_hello_error.1.json
@@ -8,7 +8,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/tests/errors/test_snapshots/test/try_hello_error_panic.1.json b/tests/errors/test_snapshots/test/try_hello_error_panic.1.json
index bf44067b5..89b76c30b 100644
--- a/tests/errors/test_snapshots/test/try_hello_error_panic.1.json
+++ b/tests/errors/test_snapshots/test/try_hello_error_panic.1.json
@@ -8,7 +8,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/tests/errors/test_snapshots/test/try_hello_error_panic_string.1.json b/tests/errors/test_snapshots/test/try_hello_error_panic_string.1.json
index 47a83f6df..ed3afa788 100644
--- a/tests/errors/test_snapshots/test/try_hello_error_panic_string.1.json
+++ b/tests/errors/test_snapshots/test/try_hello_error_panic_string.1.json
@@ -8,7 +8,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/tests/errors/test_snapshots/test/try_hello_error_unexpected_contract_error.1.json b/tests/errors/test_snapshots/test/try_hello_error_unexpected_contract_error.1.json
index 399724472..6825a47bb 100644
--- a/tests/errors/test_snapshots/test/try_hello_error_unexpected_contract_error.1.json
+++ b/tests/errors/test_snapshots/test/try_hello_error_unexpected_contract_error.1.json
@@ -8,7 +8,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/tests/errors/test_snapshots/test/try_hello_ok.1.json b/tests/errors/test_snapshots/test/try_hello_ok.1.json
index 37e4598d4..09d9d3ab0 100644
--- a/tests/errors/test_snapshots/test/try_hello_ok.1.json
+++ b/tests/errors/test_snapshots/test/try_hello_ok.1.json
@@ -8,7 +8,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/tests/events/test_snapshots/test/test_pub_event.1.json b/tests/events/test_snapshots/test/test_pub_event.1.json
index d242ae411..f113fabe9 100644
--- a/tests/events/test_snapshots/test/test_pub_event.1.json
+++ b/tests/events/test_snapshots/test/test_pub_event.1.json
@@ -7,7 +7,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/tests/invoke_contract/test_snapshots/test/test_add.1.json b/tests/invoke_contract/test_snapshots/test/test_add.1.json
index 52ec91f8f..c1a85ba11 100644
--- a/tests/invoke_contract/test_snapshots/test/test_add.1.json
+++ b/tests/invoke_contract/test_snapshots/test/test_add.1.json
@@ -7,7 +7,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/tests/logging/test_snapshots/test/test_logging.1.json b/tests/logging/test_snapshots/test/test_logging.1.json
index e09d61f60..882b2bf42 100644
--- a/tests/logging/test_snapshots/test/test_logging.1.json
+++ b/tests/logging/test_snapshots/test/test_logging.1.json
@@ -7,7 +7,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/tests/multiimpl/test_snapshots/test/test_hello.1.json b/tests/multiimpl/test_snapshots/test/test_hello.1.json
index e57856e68..5cd9dc09b 100644
--- a/tests/multiimpl/test_snapshots/test/test_hello.1.json
+++ b/tests/multiimpl/test_snapshots/test/test_hello.1.json
@@ -9,7 +9,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/tests/udt/test_snapshots/test/test_add.1.json b/tests/udt/test_snapshots/test/test_add.1.json
index 37c8356d9..42b5be82c 100644
--- a/tests/udt/test_snapshots/test/test_add.1.json
+++ b/tests/udt/test_snapshots/test/test_add.1.json
@@ -8,7 +8,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
diff --git a/tests/workspace_contract/test_snapshots/test/test_add.1.json b/tests/workspace_contract/test_snapshots/test/test_add.1.json
index 4a90aada9..7bfe976a6 100644
--- a/tests/workspace_contract/test_snapshots/test/test_add.1.json
+++ b/tests/workspace_contract/test_snapshots/test/test_add.1.json
@@ -7,7 +7,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 20,
+    "protocol_version": 21,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",