diff --git a/build.gradle b/build.gradle
index 7ba70c66..ac9340a8 100644
--- a/build.gradle
+++ b/build.gradle
@@ -6,7 +6,7 @@
 buildscript {
     ext {
         opensearch_group = "org.opensearch"
-        opensearch_version = System.getProperty("opensearch.version", "2.17.0-SNAPSHOT")
+        opensearch_version = System.getProperty("opensearch.version", "2.18.0-SNAPSHOT")
         isSnapshot = "true" == System.getProperty("build.snapshot", "true")
         buildVersionQualifier = System.getProperty("build.version_qualifier", "")
         kotlin_version = System.getProperty("kotlin.version", "1.8.21")