diff --git a/Cargo.lock b/Cargo.lock
index be60a2e..9a468ab 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -523,9 +523,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.189"
+version = "0.2.191"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3eaf3ede3fee6db1a4c2ee091bf8a8b4dccdc6d17f656fb07896ee72867612f2"
+checksum = "65cd87c9a6d60536580b316ad985726104730a5151c99845f2490428ef91240a"
 
 [[package]]
 name = "linux-raw-sys"