diff --git a/src/_bcrypt/Cargo.lock b/src/_bcrypt/Cargo.lock
index 73b543a4..e48432df 100644
--- a/src/_bcrypt/Cargo.lock
+++ b/src/_bcrypt/Cargo.lock
@@ -205,9 +205,9 @@ checksum = "f84267b20a16ea918e43c6a88433c2d54fa145c92a811b5b047ccbe153674483"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.102"
+version = "1.0.103"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e0f6df8eaa422d97d72edcd152e1451618fed47fabbdbd5a8864167b1d4aff7"
+checksum = "5ee95bc4ef87b8d5ba32e8b7714ccc834865276eab0aed5c9958d00ec45f49e8"
 dependencies = [
  "unicode-ident",
 ]