diff --git a/build.gradle b/build.gradle
index 4b8f4b3e0..086297c11 100644
--- a/build.gradle
+++ b/build.gradle
@@ -10,7 +10,7 @@ import org.opensearch.gradle.testclusters.StandaloneRestIntegTestTask
 buildscript {
     ext {
         isSnapshot = "true" == System.getProperty("build.snapshot", "true")
-        opensearch_version = System.getProperty("opensearch.version", "2.12.0-SNAPSHOT")
+        opensearch_version = System.getProperty("opensearch.version", "2.13.0-SNAPSHOT")
         buildVersionQualifier = System.getProperty("build.version_qualifier", "")
         version_tokens = opensearch_version.tokenize('-')
         opensearch_build = version_tokens[0] + '.0'