diff --git a/.golangci.yml b/.golangci.yml
index 20968c7a..27ef8523 100644
--- a/.golangci.yml
+++ b/.golangci.yml
@@ -1,3 +1,6 @@
+# Copyright IBM Corp. 2013, 2025
+# SPDX-License-Identifier: MIT
+
 version: "2"
 linters:
   enable:
diff --git a/codec/bench/bench.sh b/codec/bench/bench.sh
index e6b2070e..d4b281a7 100755
--- a/codec/bench/bench.sh
+++ b/codec/bench/bench.sh
@@ -1,4 +1,7 @@
 #!/bin/bash
+# Copyright IBM Corp. 2013, 2025
+# SPDX-License-Identifier: MIT
+
 
 # download the code and all its dependencies
 _go_get() {
diff --git a/codec/build.sh b/codec/build.sh
index 831bd864..37f053ea 100755
--- a/codec/build.sh
+++ b/codec/build.sh
@@ -1,4 +1,7 @@
 #!/bin/bash
+# Copyright IBM Corp. 2013, 2025
+# SPDX-License-Identifier: MIT
+
 
 # Run all the different permutations of all the tests and other things
 # This helps ensure that nothing gets broken.
diff --git a/codec/codecgen.go b/codec/codecgen.go
index 28fa8105..145278ab 100644
--- a/codec/codecgen.go
+++ b/codec/codecgen.go
@@ -1,3 +1,6 @@
+// Copyright IBM Corp. 2013, 2025
+// SPDX-License-Identifier: MIT
+
 //go:build codecgen || generated
 // +build codecgen generated
 
diff --git a/codec/gen_test.go b/codec/gen_test.go
index 21b7c4a1..976c6f41 100644
--- a/codec/gen_test.go
+++ b/codec/gen_test.go
@@ -1,3 +1,6 @@
+// Copyright IBM Corp. 2013, 2025
+// SPDX-License-Identifier: MIT
+
 //go:build codecgen.exec
 
 package codec
diff --git a/codec/raft_test.go b/codec/raft_test.go
index dedffbc3..342df2db 100644
--- a/codec/raft_test.go
+++ b/codec/raft_test.go
@@ -1,3 +1,6 @@
+// Copyright IBM Corp. 2013, 2025
+// SPDX-License-Identifier: MIT
+
 package codec
 
 import (
diff --git a/codec/test.py b/codec/test.py
index 8418fee4..696b0cbf 100755
--- a/codec/test.py
+++ b/codec/test.py
@@ -1,4 +1,7 @@
 #!/usr/bin/env python
+# Copyright IBM Corp. 2013, 2025
+# SPDX-License-Identifier: MIT
+
 
 # This will create golden files in a directory passed to it.
 # A Test calls this internally to create the golden files