diff --git a/build.gradle b/build.gradle
index e72bc762..17369dff 100644
--- a/build.gradle
+++ b/build.gradle
@@ -6,7 +6,7 @@ import com.github.jengelman.gradle.plugins.shadow.ShadowPlugin
 
 buildscript {
     ext {
-        opensearch_version = System.getProperty("opensearch.version", "1.3.19-SNAPSHOT")
+        opensearch_version = System.getProperty("opensearch.version", "1.3.20-SNAPSHOT")
     }
 
     repositories {