diff --git a/tests/units/test_policy_check.py b/tests/units/test_policy_check.py
index 07642cb5..397322e5 100644
--- a/tests/units/test_policy_check.py
+++ b/tests/units/test_policy_check.py
@@ -1,3 +1,5 @@
+# Copyright IBM Corp. 2025, 2026
+
 """Unit tests for the policy_check module."""
 
 from unittest.mock import Mock, patch
diff --git a/tests/units/test_policy_set.py b/tests/units/test_policy_set.py
index 91229c4c..02a542c2 100644
--- a/tests/units/test_policy_set.py
+++ b/tests/units/test_policy_set.py
@@ -1,3 +1,5 @@
+# Copyright IBM Corp. 2025, 2026
+
 """Unit tests for the PolicySets resource."""
 
 from unittest.mock import Mock
diff --git a/tests/units/test_run_events.py b/tests/units/test_run_events.py
index af82e786..be994528 100644
--- a/tests/units/test_run_events.py
+++ b/tests/units/test_run_events.py
@@ -1,3 +1,5 @@
+# Copyright IBM Corp. 2025, 2026
+
 """Unit tests for the run_events module."""
 
 from unittest.mock import Mock, patch
diff --git a/tests/units/test_state_version.py b/tests/units/test_state_version.py
index 11f67c8f..6289db4c 100644
--- a/tests/units/test_state_version.py
+++ b/tests/units/test_state_version.py
@@ -1,3 +1,5 @@
+# Copyright IBM Corp. 2025, 2026
+
 """Unit tests for the state_versions module."""
 
 from unittest.mock import Mock, patch