diff --git a/Cargo.lock b/Cargo.lock
index 5b84808ad444..04ce998c4f07 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3286,9 +3286,9 @@ checksum = "b294d6fa9ee409a054354afc4352b0b9ef7ca222c69b8812cbea9e7d2bf3783f"
 
 [[package]]
 name = "libc"
-version = "0.2.99"
+version = "0.2.100"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a7f823d141fe0a24df1e23b4af4e3c7ba9e5966ec514ea068c93024aa7deb765"
+checksum = "a1fa8cddc8fbbee11227ef194b5317ed014b8acbf15139bd716a18ad3fe99ec5"
 
 [[package]]
 name = "libloading"
diff --git a/node/core/pvf/Cargo.toml b/node/core/pvf/Cargo.toml
index 809d8269ac2e..8bd7c8168276 100644
--- a/node/core/pvf/Cargo.toml
+++ b/node/core/pvf/Cargo.toml
@@ -15,7 +15,7 @@ async-process = "1.1.0"
 assert_matches = "1.4.0"
 futures = "0.3.15"
 futures-timer = "3.0.2"
-libc = "0.2.99"
+libc = "0.2.100"
 slotmap = "1.0"
 tracing = "0.1.26"
 pin-project = "1.0.8"