diff --git a/src/_bcrypt/Cargo.lock b/src/_bcrypt/Cargo.lock
index ba2cc350..7452178f 100644
--- a/src/_bcrypt/Cargo.lock
+++ b/src/_bcrypt/Cargo.lock
@@ -201,9 +201,9 @@ checksum = "cc9c68a3f6da06753e9335d63e27f6b9754dd1920d941135b7ea8224f141adb2"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.89"
+version = "1.0.90"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f139b0662de085916d1fb67d2b4169d1addddda1919e696f3252b740b629986e"
+checksum = "d4e1ced3fe749df87a909c23e9607ab9a09c8f0bedb7e03b8146f4c08c298673"
 dependencies = [
  "unicode-ident",
 ]