diff --git a/docker-compose.yml b/docker-compose.yml
index be610156..9b12266f 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -42,7 +42,7 @@ services:
             - mysql
 
     redis-mailcow:
-      image: redis:alpine
+      image: redis:4-alpine
       volumes:
         - redis-vol-1:/data/
       restart: always