diff --git a/src/_bcrypt/Cargo.lock b/src/_bcrypt/Cargo.lock
index 6cc54d1..23c3c60 100644
--- a/src/_bcrypt/Cargo.lock
+++ b/src/_bcrypt/Cargo.lock
@@ -217,9 +217,9 @@ dependencies = [
 
 [[package]]
 name = "pbkdf2"
-version = "0.12.1"
+version = "0.12.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f0ca0b5a68607598bf3bad68f32227a8164f6254833f84eafaac409cd6746c31"
+checksum = "f8ed6a7761f76e3b9f92dfb0a60a6a6477c61024b775147ff0973a02653abaf2"
 dependencies = [
  "digest",
 ]