diff --git a/src/_bcrypt/Cargo.lock b/src/_bcrypt/Cargo.lock
index 55fdfab..d6706a9 100644
--- a/src/_bcrypt/Cargo.lock
+++ b/src/_bcrypt/Cargo.lock
@@ -172,9 +172,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.173"
+version = "0.2.174"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d8cfeafaffdbc32176b64fb251369d52ea9f0a8fbc6f8759edffef7b525d64bb"
+checksum = "1171693293099992e19cddea4e8b849964e9846f4acee11b3948bcc337be8776"
 
 [[package]]
 name = "memoffset"