diff --git a/test/rb/integration/accelerated_buffered_client.rb b/test/rb/integration/accelerated_buffered_client.rb
index a27787c..5a66cb8 100644
--- a/test/rb/integration/accelerated_buffered_client.rb
+++ b/test/rb/integration/accelerated_buffered_client.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.join(File.dirname(__FILE__), '../test_helper')
 
 require 'thrift'
diff --git a/test/rb/integration/accelerated_buffered_server.rb b/test/rb/integration/accelerated_buffered_server.rb
index d505e9f..11e09df 100644
--- a/test/rb/integration/accelerated_buffered_server.rb
+++ b/test/rb/integration/accelerated_buffered_server.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.
+#
+
 $:.push File.dirname(__FILE__) + '/../gen-rb'
 $:.push File.join(File.dirname(__FILE__), '../../../lib/rb/lib')
 $:.push File.join(File.dirname(__FILE__), '../../../lib/rb/ext')
diff --git a/test/rb/integration/buffered_client.rb b/test/rb/integration/buffered_client.rb
index 3548b18..50dac30 100644
--- a/test/rb/integration/buffered_client.rb
+++ b/test/rb/integration/buffered_client.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.join(File.dirname(__FILE__), '../test_helper')
 
 require 'thrift'
diff --git a/test/rb/integration/simple_client.rb b/test/rb/integration/simple_client.rb
index fe2ed82..591cd45 100644
--- a/test/rb/integration/simple_client.rb
+++ b/test/rb/integration/simple_client.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.join(File.dirname(__FILE__), '../test_helper')
 
 require 'thrift'
diff --git a/test/rb/integration/simple_server.rb b/test/rb/integration/simple_server.rb
index 6b029ba..450704b 100644
--- a/test/rb/integration/simple_server.rb
+++ b/test/rb/integration/simple_server.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.
+#
+
 $:.push File.dirname(__FILE__) + '/../gen-rb'
 $:.push File.join(File.dirname(__FILE__), '../../../lib/rb/lib')
 
diff --git a/test/rb/integration/test_simple_handler.rb b/test/rb/integration/test_simple_handler.rb
index 230dd08..3894576 100644
--- a/test/rb/integration/test_simple_handler.rb
+++ b/test/rb/integration/test_simple_handler.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.join(File.dirname(__FILE__), '../test_helper')
 
 require 'thrift'