diff --git a/Cargo.lock b/Cargo.lock
index 1cc2bbc3..6431dd81 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -560,9 +560,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.161"
+version = "0.2.164"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e9489c2807c139ffd9c1794f4af0ebe86a828db53ecdc7fea2111d0fed085d1"
+checksum = "433bfe06b8c75da9b2e3fbea6e5329ff87748f0b144ef75306e674c3f6f7c13f"
 
 [[package]]
 name = "llvm-sys"