diff --git a/crypto/fips_hashing/fips_hashing.c b/crypto/fips_hashing/fips_hashing.c
index 092eab72c8c..620739fb3b2 100644
--- a/crypto/fips_hashing/fips_hashing.c
+++ b/crypto/fips_hashing/fips_hashing.c
@@ -1,3 +1,6 @@
+// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+// SPDX-License-Identifier: Apache-2.0 OR ISC
+
 #include "../fipsmodule/delocate.h"
 
 #include "../fipsmodule/evp/p_hmac.c"