diff --git a/build.gradle b/build.gradle
index 47fa8546..13047b98 100644
--- a/build.gradle
+++ b/build.gradle
@@ -6,7 +6,7 @@
 buildscript {
     ext {
         opensearch_group = "org.opensearch"
-        opensearch_version = System.getProperty("opensearch.version", "1.3.7-SNAPSHOT")
+        opensearch_version = System.getProperty("opensearch.version", "1.3.8-SNAPSHOT")
         kotlin_version = System.getProperty("kotlin.version", "1.6.0")
     }