diff --git a/Cargo.lock b/Cargo.lock
index bf1100d..cb6ae05 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -238,9 +238,9 @@ checksum = "bffb4def18c48926ccac55c1223e02865ce1a821751a95920448662696e7472c"
 
 [[package]]
 name = "libc"
-version = "0.2.153"
+version = "0.2.155"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c198f91728a82281a64e1f4f9eeb25d82cb32a5de251c6bd1b5154d63a8e7bd"
+checksum = "97b3888a4aecf77e811145cadf6eef5901f4782c53886191b2f693f24761847c"
 
 [[package]]
 name = "linux-raw-sys"