diff --git a/pom.xml b/pom.xml
index 10ba647..f2ea403 100644
--- a/pom.xml
+++ b/pom.xml
@@ -102,7 +102,7 @@
         <dependency>
             <groupId>org.opensearch.client</groupId>
             <artifactId>opensearch-java</artifactId>
-            <version>2.4.0</version>
+            <version>2.9.1</version>
             </dependency>
         <dependency>
             <groupId>software.amazon.awssdk</groupId>