diff --git a/Cargo.lock b/Cargo.lock
index 3b8cea40..6024d804 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -884,9 +884,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.176"
+version = "0.2.177"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "58f929b4d672ea937a23a1ab494143d968337a5f47e56d0815df1e0890ddf174"
+checksum = "2874a2af47a2325c2001a6e6fad9b16a53b802102b528163885171cf92b15976"
 
 [[package]]
 name = "libm"
diff --git a/Cargo.toml b/Cargo.toml
index e4568bf3..621dbc78 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -58,7 +58,7 @@ static_assertions = "^1.1.0"
 bitfield = "^0.19"
 uuid = { version = "^1.18", features = ["serde"] }
 hex = "0.4.3"
-libc = "0.2.176"
+libc = "0.2.177"
 lazy_static = "1.4.0"
 p384 = { version = "0.13.0", optional = true }
 rsa = { version = "0.9.6", optional = true }