diff --git a/docker-compose.yml b/docker-compose.yml
index 4968409..a39cf29 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -26,4 +26,4 @@ mysql:
 cassandra:
   image: cassandra:2.2
 mongo:
-  image: mongo
+  image: mongo:3.2.6