diff --git a/rust/Cargo.lock b/rust/Cargo.lock
index 811465b..190919c 100644
--- a/rust/Cargo.lock
+++ b/rust/Cargo.lock
@@ -201,9 +201,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.177"
+version = "0.2.181"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2874a2af47a2325c2001a6e6fad9b16a53b802102b528163885171cf92b15976"
+checksum = "459427e2af2b9c839b132acb702a1c654d95e10f8c326bfc2ad11310e458b1c5"
 
 [[package]]
 name = "libloading"
diff --git a/rust/Cargo.toml b/rust/Cargo.toml
index a9d8376..23d40c5 100644
--- a/rust/Cargo.toml
+++ b/rust/Cargo.toml
@@ -54,7 +54,7 @@ widestring = "1.2.1"
 tracing = { version = "0.1.41", features = ["attributes"] }
 
 [target.'cfg(unix)'.dependencies]
-libc = "0.2.177"
+libc = "0.2.181"
 
 [[example]]
 name = "domain"