diff --git a/core/src/test/java/com/opensymphony/xwork2/config/providers/ConfigurationProviderOgnlAllowlistTest.java b/core/src/test/java/com/opensymphony/xwork2/config/providers/ConfigurationProviderOgnlAllowlistTest.java
index 4870ba8fc..4fa4aad8b 100644
--- a/core/src/test/java/com/opensymphony/xwork2/config/providers/ConfigurationProviderOgnlAllowlistTest.java
+++ b/core/src/test/java/com/opensymphony/xwork2/config/providers/ConfigurationProviderOgnlAllowlistTest.java
@@ -1,3 +1,21 @@
+/*
+ * 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.
+ */
 package com.opensymphony.xwork2.config.providers;
 
 import com.opensymphony.xwork2.XWorkJUnit4TestCase;
diff --git a/core/src/test/java/org/apache/struts2/ognl/ProviderAllowlistTest.java b/core/src/test/java/org/apache/struts2/ognl/ProviderAllowlistTest.java
index ce583aa6b..baf91b9b5 100644
--- a/core/src/test/java/org/apache/struts2/ognl/ProviderAllowlistTest.java
+++ b/core/src/test/java/org/apache/struts2/ognl/ProviderAllowlistTest.java
@@ -1,3 +1,21 @@
+/*
+ * 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.
+ */
 package org.apache.struts2.ognl;
 
 import com.opensymphony.xwork2.config.ConfigurationProvider;
diff --git a/plugins/junit/src/main/java/org/apache/struts2/junit/XWorkJUnit4TestCase.java b/plugins/junit/src/main/java/org/apache/struts2/junit/XWorkJUnit4TestCase.java
index 03cf71e77..12acf283e 100644
--- a/plugins/junit/src/main/java/org/apache/struts2/junit/XWorkJUnit4TestCase.java
+++ b/plugins/junit/src/main/java/org/apache/struts2/junit/XWorkJUnit4TestCase.java
@@ -1,3 +1,21 @@
+/*
+ * 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.
+ */
 package org.apache.struts2.junit;
 
 public abstract class XWorkJUnit4TestCase extends com.opensymphony.xwork2.XWorkJUnit4TestCase {
diff --git a/plugins/junit/src/main/java/org/apache/struts2/junit/XWorkTestCase.java b/plugins/junit/src/main/java/org/apache/struts2/junit/XWorkTestCase.java
index a0e1837b3..e64184ba0 100644
--- a/plugins/junit/src/main/java/org/apache/struts2/junit/XWorkTestCase.java
+++ b/plugins/junit/src/main/java/org/apache/struts2/junit/XWorkTestCase.java
@@ -1,3 +1,21 @@
+/*
+ * 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.
+ */
 package org.apache.struts2.junit;
 
 public abstract class XWorkTestCase extends com.opensymphony.xwork2.XWorkTestCase {