diff --git a/docker-compose.yml b/docker-compose.yml
index 70239b7d95..a4988a2852 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -103,7 +103,7 @@ services:
 
     mongo:
         restart: always
-        image: mongo:4.2
+        image: mongo:4.0
         container_name: mongo
         expose:
             - 27017