diff --git a/polkadot/Cargo.lock b/polkadot/Cargo.lock
index 829c81dc64..8de1d385bf 100644
--- a/polkadot/Cargo.lock
+++ b/polkadot/Cargo.lock
@@ -3288,9 +3288,9 @@ checksum = "b294d6fa9ee409a054354afc4352b0b9ef7ca222c69b8812cbea9e7d2bf3783f"
 
 [[package]]
 name = "libc"
-version = "0.2.102"
+version = "0.2.103"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a2a5ac8f984bfcf3a823267e5fde638acc3325f6496633a5da6bb6eb2171e103"
+checksum = "dd8f7255a17a627354f321ef0055d63b898c6fb27eff628af4d1b66b7331edf6"
 
 [[package]]
 name = "libgit2-sys"
diff --git a/polkadot/node/core/pvf/Cargo.toml b/polkadot/node/core/pvf/Cargo.toml
index 26c2881dff..054d937f55 100644
--- a/polkadot/node/core/pvf/Cargo.toml
+++ b/polkadot/node/core/pvf/Cargo.toml
@@ -15,7 +15,7 @@ async-process = "1.1.0"
 assert_matches = "1.4.0"
 futures = "0.3.17"
 futures-timer = "3.0.2"
-libc = "0.2.102"
+libc = "0.2.103"
 slotmap = "1.0"
 tracing = "0.1.28"
 pin-project = "1.0.8"