diff --git a/utils/name_substitution.sh b/utils/name_substitution.sh
index ec25feff..45974d96 100755
--- a/utils/name_substitution.sh
+++ b/utils/name_substitution.sh
@@ -1,4 +1,9 @@
 #!/bin/bash
+
+# Copyright 2025 The Helium Authors
+# You can use, redistribute, and/or modify this source code under
+# the terms of the GPL-3.0 license that can be found in the LICENSE file.
+
 set -e
 
 ACTION="$1"
diff --git a/utils/replace_resources.py b/utils/replace_resources.py
index f905b194..683c6306 100644
--- a/utils/replace_resources.py
+++ b/utils/replace_resources.py
@@ -1,3 +1,7 @@
+# Copyright 2025 The Helium Authors
+# You can use, redistribute, and/or modify this source code under
+# the terms of the GPL-3.0 license that can be found in the LICENSE file.
+
 import os
 import shutil
 import sys