diff --git a/build.gradle b/build.gradle
index 72310546bc..d8c711b5d8 100644
--- a/build.gradle
+++ b/build.gradle
@@ -6,7 +6,7 @@
 
 buildscript {
     ext {
-        opensearch_version = System.getProperty("opensearch.version", "2.5.0-SNAPSHOT")
+        opensearch_version = System.getProperty("opensearch.version", "2.6.0-SNAPSHOT")
         spring_version = "5.3.22"
         isSnapshot = "true" == System.getProperty("build.snapshot", "true")
         buildVersionQualifier = System.getProperty("build.version_qualifier", "")