diff --git a/build.gradle b/build.gradle
index a9248049..a32c235a 100644
--- a/build.gradle
+++ b/build.gradle
@@ -7,7 +7,7 @@ import org.opensearch.gradle.test.RestIntegTestTask
 
 buildscript {
     ext {
-        opensearch_version = System.getProperty("opensearch.version", "2.18.0-SNAPSHOT")
+        opensearch_version = System.getProperty("opensearch.version", "2.19.0-SNAPSHOT")
         isSnapshot = "true" == System.getProperty("build.snapshot", "true")
         buildVersionQualifier = System.getProperty("build.version_qualifier", "")
     }