diff --git a/src/integrationTest/java/org/opensearch/test/framework/testplugins/AbstractRestHandler.java b/src/integrationTest/java/org/opensearch/test/framework/testplugins/AbstractRestHandler.java
index 764173b5b9..e92468af98 100644
--- a/src/integrationTest/java/org/opensearch/test/framework/testplugins/AbstractRestHandler.java
+++ b/src/integrationTest/java/org/opensearch/test/framework/testplugins/AbstractRestHandler.java
@@ -1,3 +1,12 @@
+/*
+ * Copyright OpenSearch Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * The OpenSearch Contributors require contributions made to
+ * this file be licensed under the Apache-2.0 license or a
+ * compatible open source license.
+ *
+ */
 package org.opensearch.test.framework.testplugins;
 
 import org.opensearch.ExceptionsHelper;
diff --git a/src/main/java/org/opensearch/security/dlic/rest/validation/EndpointValidator.java b/src/main/java/org/opensearch/security/dlic/rest/validation/EndpointValidator.java
index 442d39cf43..be3f80fc78 100644
--- a/src/main/java/org/opensearch/security/dlic/rest/validation/EndpointValidator.java
+++ b/src/main/java/org/opensearch/security/dlic/rest/validation/EndpointValidator.java
@@ -1,3 +1,12 @@
+/*
+ * Copyright OpenSearch Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * The OpenSearch Contributors require contributions made to
+ * this file be licensed under the Apache-2.0 license or a
+ * compatible open source license.
+ *
+ */
 package org.opensearch.security.dlic.rest.validation;
 
 import org.opensearch.core.rest.RestStatus;
diff --git a/src/test/java/org/opensearch/security/dlic/rest/api/AccountApiActionConfigValidationsTest.java b/src/test/java/org/opensearch/security/dlic/rest/api/AccountApiActionConfigValidationsTest.java
index bae761d6c3..99c6359b45 100644
--- a/src/test/java/org/opensearch/security/dlic/rest/api/AccountApiActionConfigValidationsTest.java
+++ b/src/test/java/org/opensearch/security/dlic/rest/api/AccountApiActionConfigValidationsTest.java
@@ -1,3 +1,12 @@
+/*
+ * Copyright OpenSearch Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * The OpenSearch Contributors require contributions made to
+ * this file be licensed under the Apache-2.0 license or a
+ * compatible open source license.
+ *
+ */
 package org.opensearch.security.dlic.rest.api;
 
 import com.fasterxml.jackson.databind.node.ObjectNode;
diff --git a/src/test/java/org/opensearch/security/dlic/rest/api/ActionGroupsApiActionValidationTest.java b/src/test/java/org/opensearch/security/dlic/rest/api/ActionGroupsApiActionValidationTest.java
index 477b44301d..82692b5fa3 100644
--- a/src/test/java/org/opensearch/security/dlic/rest/api/ActionGroupsApiActionValidationTest.java
+++ b/src/test/java/org/opensearch/security/dlic/rest/api/ActionGroupsApiActionValidationTest.java
@@ -1,3 +1,12 @@
+/*
+ * Copyright OpenSearch Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * The OpenSearch Contributors require contributions made to
+ * this file be licensed under the Apache-2.0 license or a
+ * compatible open source license.
+ *
+ */
 package org.opensearch.security.dlic.rest.api;
 
 import org.junit.Before;
diff --git a/src/test/java/org/opensearch/security/transport/SecuritySSLRequestHandlerTests.java b/src/test/java/org/opensearch/security/transport/SecuritySSLRequestHandlerTests.java
index 2c160dfe31..c168d06839 100644
--- a/src/test/java/org/opensearch/security/transport/SecuritySSLRequestHandlerTests.java
+++ b/src/test/java/org/opensearch/security/transport/SecuritySSLRequestHandlerTests.java
@@ -1,3 +1,12 @@
+/*
+ * Copyright OpenSearch Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * The OpenSearch Contributors require contributions made to
+ * this file be licensed under the Apache-2.0 license or a
+ * compatible open source license.
+ *
+ */
 package org.opensearch.security.transport;
 
 import org.junit.Assert;