diff --git a/test/core/tsi/alts/fake_handshaker/fake_handshaker_server.h b/test/core/tsi/alts/fake_handshaker/fake_handshaker_server.h
index 02aeee5bc22..eb4bfdffa12 100644
--- a/test/core/tsi/alts/fake_handshaker/fake_handshaker_server.h
+++ b/test/core/tsi/alts/fake_handshaker/fake_handshaker_server.h
@@ -1,3 +1,20 @@
+/*
+ *
+ * Copyright 2018 gRPC 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.
+ *
+ */
 #include <memory>
 #include <string>