diff --git a/grafwiz.py b/grafwiz.py
index 1c8f58a..5fd5c4e 100644
--- a/grafwiz.py
+++ b/grafwiz.py
@@ -1,3 +1,17 @@
+# Copyright 2019 Iguazio
+#
+# 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.
+#
 # extending grafanalib from https://github.com/weaveworks/grafanalib
 
 __version__ = "0.1.0"