diff --git a/Cargo.lock b/Cargo.lock
index 304e8a38..356afcd2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -608,9 +608,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.37"
+version = "1.0.38"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec757218438d5fda206afc041538b2f6d889286160d649a86a24d37e1235afd1"
+checksum = "9027b48e9d4c9175fa2218adf3557f91c1137021739951d4932f5f8268ac48aa"
 dependencies = [
  "unicode-xid",
 ]