diff --git a/build.gradle b/build.gradle
index 72bdfac845..3065256fac 100644
--- a/build.gradle
+++ b/build.gradle
@@ -88,10 +88,10 @@ spotless {
             exclude '**/build/**', '**/build-*/**'
         }
         importOrder()
-//        licenseHeader("/*\n" +
-//                " * Copyright OpenSearch Contributors\n" +
-//                " * SPDX-License-Identifier: Apache-2.0\n" +
-//                " */\n\n\n")
+        licenseHeader("/*\n" +
+                " * Copyright OpenSearch Contributors\n" +
+                " * SPDX-License-Identifier: Apache-2.0\n" +
+                " */\n\n\n")
         removeUnusedImports()
         trimTrailingWhitespace()
         endWithNewline()