diff --git a/lib/rb/script/proto_benchmark.rb b/lib/rb/script/proto_benchmark.rb
index 1e1f08f..09adf81 100644
--- a/lib/rb/script/proto_benchmark.rb
+++ b/lib/rb/script/proto_benchmark.rb
@@ -1,3 +1,22 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF 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.
+#
+
 require File.dirname(__FILE__) + "/../spec/spec_helper.rb"
 require "lib/thrift/serializer"
 require "lib/thrift/protocol/binaryprotocolaccelerated"
diff --git a/lib/rb/script/read_struct.rb b/lib/rb/script/read_struct.rb
index c43ba58..fd2dfbe 100644
--- a/lib/rb/script/read_struct.rb
+++ b/lib/rb/script/read_struct.rb
@@ -1,3 +1,22 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF 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.
+#
+
 require "spec/spec_helper"
 require "lib/thrift/serializer"
 
diff --git a/lib/rb/script/write_struct.rb b/lib/rb/script/write_struct.rb
index 28010ac..b4bdec1 100644
--- a/lib/rb/script/write_struct.rb
+++ b/lib/rb/script/write_struct.rb
@@ -1,3 +1,22 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF 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.
+#
+
 require "spec/spec_helper"
 require "lib/thrift/serializer"