diff --git a/.github/opensearch-cluster/docker-compose.yml b/.github/opensearch-cluster/docker-compose.yml
index 8b87ae8d..eb6aa73e 100644
--- a/.github/opensearch-cluster/docker-compose.yml
+++ b/.github/opensearch-cluster/docker-compose.yml
@@ -2,7 +2,7 @@ version: '3'
 
 services:
   opensearch-cluster:
-    image: opensearchproject/opensearch:${OPENSEARCH_VERSION}
+    image: opensearchproject/opensearch:${OPENSEARCH_VERSION:-latest}
     ports:
       - "9200:9200"
       - "9600:9600"