diff --git a/gremlins/faults.py b/gremlins/faults.py
index 759b6ea..226f7c5 100644
--- a/gremlins/faults.py
+++ b/gremlins/faults.py
@@ -1,4 +1,20 @@
 #!/usr/bin/env python
+#
+# Licensed to Cloudera, Inc. under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  Cloudera, Inc. licenses this file
+# to you 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.
 
 from gremlins import procutils, iptables
 import signal
diff --git a/gremlins/gremlin.py b/gremlins/gremlin.py
index 2d95897..e246e09 100755
--- a/gremlins/gremlin.py
+++ b/gremlins/gremlin.py
@@ -1,4 +1,21 @@
 #!/usr/bin/env python
+#
+# Licensed to Cloudera, Inc. under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  Cloudera, Inc. licenses this file
+# to you 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 random
 import time
 from gremlins import faults
diff --git a/gremlins/iptables.py b/gremlins/iptables.py
index 9aaedc7..978d605 100644
--- a/gremlins/iptables.py
+++ b/gremlins/iptables.py
@@ -1,5 +1,20 @@
 #!/usr/bin/env python
-
+#
+# Licensed to Cloudera, Inc. under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  Cloudera, Inc. licenses this file
+# to you 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 re
 from gremlins import procutils
 import time
diff --git a/gremlins/procutils.py b/gremlins/procutils.py
index 5386414..700d048 100644
--- a/gremlins/procutils.py
+++ b/gremlins/procutils.py
@@ -1,5 +1,20 @@
 #!/usr/bin/env python
-
+#
+# Licensed to Cloudera, Inc. under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  Cloudera, Inc. licenses this file
+# to you 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 re
 import signal
 import os
diff --git a/setup.py b/setup.py
index 2a2424c..2f84e1b 100644
--- a/setup.py
+++ b/setup.py
@@ -1,3 +1,20 @@
+#!/usr/bin/env python
+#
+# Licensed to Cloudera, Inc. under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  Cloudera, Inc. licenses this file
+# to you 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.
 from setuptools import setup
 
 setup(
@@ -5,4 +22,5 @@
   version="0.1.0",
   packages = ['gremlins'],
   entry_points = {'console_scripts': ['gremlins=gremlins.gremlin:main']},
+  license = "Apache2"
   )