diff --git a/Cargo.lock b/Cargo.lock
index c74aa2e..88f2cb0 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -222,9 +222,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.168"
+version = "0.2.169"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5aaeb2981e0606ca11d79718f8bb01164f1d6ed75080182d3abf017e6d244b6d"
+checksum = "b5aba8db14291edd000dfcc4d620c7ebfb122c613afb886ca8803fa4e128a20a"
 
 [[package]]
 name = "linux-raw-sys"