diff --git a/Cargo.lock b/Cargo.lock
index 49fdb20..7c05d18 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -95,9 +95,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.172"
+version = "0.2.173"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d750af042f7ef4f724306de029d18836c26c1765a54a6a3f094cbd23a7267ffa"
+checksum = "d8cfeafaffdbc32176b64fb251369d52ea9f0a8fbc6f8759edffef7b525d64bb"
 
 [[package]]
 name = "libloading"