diff --git a/src/rez/tests/test_utils_resolve_graph.py b/src/rez/tests/test_utils_resolve_graph.py
index f8d787ef1..83f726787 100644
--- a/src/rez/tests/test_utils_resolve_graph.py
+++ b/src/rez/tests/test_utils_resolve_graph.py
@@ -1,3 +1,7 @@
+# SPDX-License-Identifier: Apache-2.0
+# Copyright Contributors to the Rez Project
+
+
 """
 unit tests for 'utils.resolve_graph' module
 """