diff --git a/Cargo.lock b/Cargo.lock
index ab9c4ab8374..7db500e821d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1706,7 +1706,7 @@ dependencies = [
  "cfg-if",
  "crossbeam-utils",
  "lazy_static",
- "memoffset",
+ "memoffset 0.6.5",
  "scopeguard",
 ]
 
@@ -5324,6 +5324,15 @@ dependencies = [
  "autocfg",
 ]
 
+[[package]]
+name = "memoffset"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5de893c32cde5f383baa4c04c5d6dbdd735cfd4a794b0debdb2bb1b421da5ff4"
+dependencies = [
+ "autocfg",
+]
+
 [[package]]
 name = "memory-db"
 version = "0.31.0"
@@ -5661,21 +5670,21 @@ dependencies = [
  "bitflags",
  "cfg-if",
  "libc",
- "memoffset",
+ "memoffset 0.6.5",
 ]
 
 [[package]]
 name = "nix"
-version = "0.25.0"
+version = "0.26.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e322c04a9e3440c327fca7b6c8a63e6890a32fa2ad689db972425f07e0d22abb"
+checksum = "46a58d1d356c6597d08cde02c2f09d785b09e28711837b1ed667dc652c08a694"
 dependencies = [
- "autocfg",
  "bitflags",
  "cfg-if",
  "libc",
- "memoffset",
+ "memoffset 0.7.1",
  "pin-utils",
+ "static_assertions",
 ]
 
 [[package]]
@@ -8318,7 +8327,7 @@ dependencies = [
  "hex-literal",
  "jsonrpsee",
  "log",
- "nix 0.25.0",
+ "nix 0.26.1",
  "pallet-transaction-payment-rpc",
  "parachains-common",
  "parity-scale-codec",
@@ -13860,7 +13869,7 @@ dependencies = [
  "log",
  "mach",
  "memfd",
- "memoffset",
+ "memoffset 0.6.5",
  "paste",
  "rand 0.8.5",
  "rustix 0.35.9",
diff --git a/polkadot-parachain/Cargo.toml b/polkadot-parachain/Cargo.toml
index 05e7bc3a0f8..e8c5032a08a 100644
--- a/polkadot-parachain/Cargo.toml
+++ b/polkadot-parachain/Cargo.toml
@@ -94,7 +94,7 @@ substrate-build-script-utils = { git = "https://github.com/paritytech/substrate"
 
 [dev-dependencies]
 assert_cmd = "2.0"
-nix = "0.25"
+nix = "0.26"
 tempfile = "3.3.0"
 tokio = { version = "1.24.1", features = ["macros", "time", "parking_lot"] }
 wait-timeout = "0.2"