diff --git a/build.gradle b/build.gradle
index 88e87ed..fa83569 100644
--- a/build.gradle
+++ b/build.gradle
@@ -12,7 +12,7 @@
 buildscript {
   ext {
     opensearch_group = "org.opensearch"
-    opensearch_version = System.getProperty("opensearch.version", "2.14.0-SNAPSHOT")
+    opensearch_version = System.getProperty("opensearch.version", "2.15.0-SNAPSHOT")
     isSnapshot = "true" == System.getProperty("build.snapshot", "true")
     buildVersionQualifier = System.getProperty("build.version_qualifier", "")
   }