diff --git a/parquet-protobuf/src/test/resources/BinaryTree.par b/parquet-protobuf/src/test/resources/BinaryTree.par
index c6acf6e58e..0889a1a31f 100644
--- a/parquet-protobuf/src/test/resources/BinaryTree.par
+++ b/parquet-protobuf/src/test/resources/BinaryTree.par
@@ -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.
+//
+
 message Trees.BinaryTree {
   optional group value = 1 {
     optional binary type_url (STRING) = 1;
diff --git a/parquet-protobuf/src/test/resources/Struct.par b/parquet-protobuf/src/test/resources/Struct.par
index 4ec0171efc..8f9ed55226 100644
--- a/parquet-protobuf/src/test/resources/Struct.par
+++ b/parquet-protobuf/src/test/resources/Struct.par
@@ -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.
+//
+
 message google.protobuf.Struct {
   optional group fields (MAP) = 1 {
     repeated group key_value {
diff --git a/parquet-protobuf/src/test/resources/Value.par b/parquet-protobuf/src/test/resources/Value.par
index f0381a3134..c1f16647d6 100644
--- a/parquet-protobuf/src/test/resources/Value.par
+++ b/parquet-protobuf/src/test/resources/Value.par
@@ -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.
+//
+
 message google.protobuf.Value {
   optional binary null_value (ENUM) = 1;
   optional double number_value = 2;
diff --git a/parquet-protobuf/src/test/resources/WideTree.par b/parquet-protobuf/src/test/resources/WideTree.par
index 701b53ebfc..87a9dee8c5 100644
--- a/parquet-protobuf/src/test/resources/WideTree.par
+++ b/parquet-protobuf/src/test/resources/WideTree.par
@@ -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.
+//
+
 message Trees.WideTree {
   optional group value = 1 {
     optional binary type_url (STRING) = 1;
diff --git a/pom.xml b/pom.xml
index ebb7fbd849..6a4f9f9f0f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>org.apache</groupId>
     <artifactId>apache</artifactId>
-    <version>39</version>
+    <version>40</version>
   </parent>
 
   <groupId>org.apache.parquet</groupId>