diff --git a/Cargo.lock b/Cargo.lock
index 305a7db..e3d5145 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -292,9 +292,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.155"
+version = "0.2.156"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "97b3888a4aecf77e811145cadf6eef5901f4782c53886191b2f693f24761847c"
+checksum = "a5f43f184355eefb8d17fc948dbecf6c13be3c141f20d834ae842193a448c72a"
 
 [[package]]
 name = "linux-raw-sys"