diff --git a/build.gradle b/build.gradle
index 514855d08..52cead35c 100644
--- a/build.gradle
+++ b/build.gradle
@@ -17,7 +17,7 @@ buildscript {
     ext {
         opensearch_group = "org.opensearch"
         isSnapshot = "true" == System.getProperty("build.snapshot", "true")
-        opensearch_version = System.getProperty("opensearch.version", "1.3.19-SNAPSHOT")
+        opensearch_version = System.getProperty("opensearch.version", "1.3.20-SNAPSHOT")
         if (isSnapshot) {
             plugin_version = opensearch_version.substring(0, opensearch_version.indexOf("-"))
         } else {