diff --git a/Cargo.lock b/Cargo.lock
index 02a8378..2f8b721 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -222,9 +222,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.163"
+version = "0.2.164"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1fdaeca4cf44ed4ac623e86ef41f056e848dbeab7ec043ecb7326ba300b36fd0"
+checksum = "433bfe06b8c75da9b2e3fbea6e5329ff87748f0b144ef75306e674c3f6f7c13f"
 
 [[package]]
 name = "linux-raw-sys"