diff --git a/src/_bcrypt/Cargo.lock b/src/_bcrypt/Cargo.lock
index f810e987..d711fa9d 100644
--- a/src/_bcrypt/Cargo.lock
+++ b/src/_bcrypt/Cargo.lock
@@ -171,9 +171,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.150"
+version = "0.2.151"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "89d92a4743f9a61002fae18374ed11e7973f530cb3a3255fb354818118b2203c"
+checksum = "302d7ab3130588088d277783b1e2d2e10c9e9e4a16dd9050e6ec93fb3e7048f4"
 
 [[package]]
 name = "lock_api"