diff --git a/Cargo.lock b/Cargo.lock
index 35829f86f474..6f894ef016e0 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -6180,12 +6180,12 @@ dependencies = [
 
 [[package]]
 name = "serde_yaml"
-version = "0.8.14"
+version = "0.8.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f7baae0a99f1a324984bcdc5f0718384c1f69775f1c7eec8b859b71b443e3fd7"
+checksum = "578a7433b776b56a35785ed5ce9a7e777ac0598aac5a6dd1b4b18a307c7fc71b"
 dependencies = [
- "dtoa",
- "linked-hash-map",
+ "indexmap",
+ "ryu",
  "serde",
  "yaml-rust",
 ]
diff --git a/common/diemdoc/Cargo.toml b/common/diemdoc/Cargo.toml
index 444df2176880..797d2c30a001 100644
--- a/common/diemdoc/Cargo.toml
+++ b/common/diemdoc/Cargo.toml
@@ -9,7 +9,7 @@ license = "Apache-2.0"
 edition = "2018"
 
 [dependencies]
-serde_yaml = "0.8.14"
+serde_yaml = "0.8.26"
 serde-reflection = "0.3.2"
 serde-generate = "0.17.0"
 anyhow = "1.0.37"
diff --git a/config/Cargo.toml b/config/Cargo.toml
index 9d84d2282252..3b9cced705df 100644
--- a/config/Cargo.toml
+++ b/config/Cargo.toml
@@ -15,7 +15,7 @@ log = { version = "0.4.11", features = ["serde"] }
 mirai-annotations = "1.10.1"
 rand = "0.7.3"
 serde = { version = "1.0.117", features = ["rc"], default-features = false }
-serde_yaml = "0.8.14"
+serde_yaml = "0.8.26"
 thiserror = "1.0.23"
 
 
diff --git a/config/management/Cargo.toml b/config/management/Cargo.toml
index 846e94998878..37806f514e7b 100644
--- a/config/management/Cargo.toml
+++ b/config/management/Cargo.toml
@@ -13,7 +13,7 @@ edition = "2018"
 anyhow = "1.0.37"
 hex = "0.4.2"
 serde = { version = "1.0.117", features = ["rc"], default-features = false }
-serde_yaml = "0.8.14"
+serde_yaml = "0.8.26"
 structopt = "0.3.21"
 thiserror = "1.0.23"
 toml = { version = "0.5.8", default-features = false }
diff --git a/config/seed-peer-generator/Cargo.toml b/config/seed-peer-generator/Cargo.toml
index 8c5ca5552efa..f4f21332b2b7 100644
--- a/config/seed-peer-generator/Cargo.toml
+++ b/config/seed-peer-generator/Cargo.toml
@@ -13,7 +13,7 @@ edition = "2018"
 anyhow = "1.0.37"
 hex = "0.4.2"
 rand = "0.7.3"
-serde_yaml = "0.8.14"
+serde_yaml = "0.8.26"
 structopt = "0.3.21"
 thiserror = "1.0.23"
 
diff --git a/language/transaction-builder/generator/Cargo.toml b/language/transaction-builder/generator/Cargo.toml
index 1a90bf37a56b..71783b860695 100644
--- a/language/transaction-builder/generator/Cargo.toml
+++ b/language/transaction-builder/generator/Cargo.toml
@@ -16,7 +16,7 @@ structopt = "0.3.21"
 textwrap = "0.13.2"
 serde-reflection = "0.3.2"
 serde-generate = "0.17.0"
-serde_yaml = "0.8.14"
+serde_yaml = "0.8.26"
 
 diem-types = { path = "../../../types", version = "0.1.0" }
 diem-workspace-hack = { path = "../../../common/workspace-hack", version = "0.1.0" }
diff --git a/testsuite/cluster-test/Cargo.toml b/testsuite/cluster-test/Cargo.toml
index 335141cef0bd..71b27d0ba830 100644
--- a/testsuite/cluster-test/Cargo.toml
+++ b/testsuite/cluster-test/Cargo.toml
@@ -19,7 +19,7 @@ rand = "0.7.3"
 regex = { version = "1.4.2", default-features = false, features = ["std", "perf"] }
 reqwest = { version = "0.10.10", features = ["blocking", "json"] }
 serde_json = "1.0.61"
-serde_yaml = "0.8.14"
+serde_yaml = "0.8.26"
 termion = "1.5.5"
 serde = { version = "1.0.117", features = ["derive"] }
 structopt = "0.3.21"
diff --git a/testsuite/generate-format/Cargo.toml b/testsuite/generate-format/Cargo.toml
index dee932e65a55..6015cd7c9351 100644
--- a/testsuite/generate-format/Cargo.toml
+++ b/testsuite/generate-format/Cargo.toml
@@ -13,7 +13,7 @@ edition = "2018"
 rand = "0.7.3"
 serde = { version = "1.0.117", features = ["derive"] }
 serde-reflection = "0.3.2"
-serde_yaml = "0.8.14"
+serde_yaml = "0.8.26"
 structopt = "0.3.21"
 
 consensus = { path = "../../consensus", version = "0.1.0", features=["fuzzing"] }