diff --git a/docker-compose-mongo.yml b/docker-compose-mongo.yml
index 82b24b2..cb80b64 100644
--- a/docker-compose-mongo.yml
+++ b/docker-compose-mongo.yml
@@ -7,4 +7,4 @@
     environment:
        - SLING_OPTS=-Dsling.run.modes=oak_mongo -Doak.mongo.uri=mongodb://mongo:27017
 mongo:
-    image: mongo:3.4
+    image: mongo:3.6