diff --git a/compose.yaml b/compose.yaml
index 9ffce94..30088de 100644
--- a/compose.yaml
+++ b/compose.yaml
@@ -2,7 +2,7 @@ version: "3"
 
 services:
   mongodb:
-    image: mongo
+    image: mongo:bionic
     container_name: mongodb
     ports:
       - "27017:27017"