diff --git a/krkn/health_checks/__init__.py b/krkn/health_checks/__init__.py
index 9ad2b770..c1cdb89c 100644
--- a/krkn/health_checks/__init__.py
+++ b/krkn/health_checks/__init__.py
@@ -1,3 +1,16 @@
+# Copyright 2026 The Krkn Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
 """
 Health check plugins for krkn chaos engineering framework.
 
diff --git a/krkn/health_checks/abstract_health_check_plugin.py b/krkn/health_checks/abstract_health_check_plugin.py
index 7d2d1c72..066d6471 100644
--- a/krkn/health_checks/abstract_health_check_plugin.py
+++ b/krkn/health_checks/abstract_health_check_plugin.py
@@ -1,3 +1,16 @@
+# Copyright 2026 The Krkn Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
 import logging
 import queue
 import threading
diff --git a/krkn/health_checks/health_check_factory.py b/krkn/health_checks/health_check_factory.py
index c722d78b..d95b2c05 100644
--- a/krkn/health_checks/health_check_factory.py
+++ b/krkn/health_checks/health_check_factory.py
@@ -1,3 +1,16 @@
+# Copyright 2026 The Krkn Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
 import importlib
 import inspect
 import logging
diff --git a/krkn/health_checks/http_health_check_plugin.py b/krkn/health_checks/http_health_check_plugin.py
index ecddf318..3235a8de 100644
--- a/krkn/health_checks/http_health_check_plugin.py
+++ b/krkn/health_checks/http_health_check_plugin.py
@@ -1,3 +1,16 @@
+# Copyright 2026 The Krkn Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
 """
 HTTP Health Check Plugin
 
diff --git a/krkn/health_checks/simple_health_check_plugin.py b/krkn/health_checks/simple_health_check_plugin.py
index 8a08d0b1..55869839 100644
--- a/krkn/health_checks/simple_health_check_plugin.py
+++ b/krkn/health_checks/simple_health_check_plugin.py
@@ -1,3 +1,16 @@
+# Copyright 2026 The Krkn Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
 """
 Simple Health Check Plugin (for testing the factory)
 
diff --git a/krkn/scenario_plugins/storage_throttle/__init__.py b/krkn/scenario_plugins/storage_throttle/__init__.py
index e69de29b..512079bc 100644
--- a/krkn/scenario_plugins/storage_throttle/__init__.py
+++ b/krkn/scenario_plugins/storage_throttle/__init__.py
@@ -0,0 +1,13 @@
+# Copyright 2026 The Krkn Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.