diff --git a/Cargo.lock b/Cargo.lock
index 3ce26b1a..0c65858a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3014,9 +3014,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.159"
+version = "0.2.172"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "561d97a539a36e26a9a5fad1ea11a3039a67714694aaa379433e580854bc3dc5"
+checksum = "d750af042f7ef4f724306de029d18836c26c1765a54a6a3f094cbd23a7267ffa"
 
 [[package]]
 name = "libflate"