diff --git a/Dockerfile b/Dockerfile
index 37be890..84ce0d1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,2 +1,2 @@
-FROM amd64/elasticsearch:8.3.3
+FROM amd64/elasticsearch:8.3.1
 RUN bin/elasticsearch-plugin install --batch ingest-attachment
diff --git a/renovate.json b/renovate.json
index 474e7dd..04a4f6a 100644
--- a/renovate.json
+++ b/renovate.json
@@ -3,7 +3,8 @@
   "packageRules": [
     {
       "matchPackagePatterns": ["*"],
-      "automerge": true
+      "automerge": true,
+      "automergeType": "branch"
     }
   ]
 }