diff --git a/java-client/src/test/java/org/opensearch/client/opensearch/integTest/AbstractHighlightIT.java b/java-client/src/test/java/org/opensearch/client/opensearch/integTest/AbstractHighlightIT.java
index d55834562d..6698f9a828 100644
--- a/java-client/src/test/java/org/opensearch/client/opensearch/integTest/AbstractHighlightIT.java
+++ b/java-client/src/test/java/org/opensearch/client/opensearch/integTest/AbstractHighlightIT.java
@@ -1,3 +1,11 @@
+/*
+ * 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.client.opensearch.integTest;
 
 import org.junit.Test;
diff --git a/java-client/src/test/java/org/opensearch/client/opensearch/integTest/httpclient5/HighlightIT.java b/java-client/src/test/java/org/opensearch/client/opensearch/integTest/httpclient5/HighlightIT.java
index 5a2d369733..1f097e2497 100644
--- a/java-client/src/test/java/org/opensearch/client/opensearch/integTest/httpclient5/HighlightIT.java
+++ b/java-client/src/test/java/org/opensearch/client/opensearch/integTest/httpclient5/HighlightIT.java
@@ -1,3 +1,11 @@
+/*
+ * 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.client.opensearch.integTest.httpclient5;
 
 import org.opensearch.client.opensearch.integTest.AbstractHighlightIT;
diff --git a/java-client/src/test/java/org/opensearch/client/opensearch/integTest/restclient/HighlightIT.java b/java-client/src/test/java/org/opensearch/client/opensearch/integTest/restclient/HighlightIT.java
index 1df98a5154..e16c26712c 100644
--- a/java-client/src/test/java/org/opensearch/client/opensearch/integTest/restclient/HighlightIT.java
+++ b/java-client/src/test/java/org/opensearch/client/opensearch/integTest/restclient/HighlightIT.java
@@ -1,3 +1,11 @@
+/*
+ * 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.client.opensearch.integTest.restclient;
 
 import org.apache.hc.core5.http.HttpHost;