diff --git a/arm/docker-compose.yml b/arm/docker-compose.yml
index 639e830..0e5c462 100644
--- a/arm/docker-compose.yml
+++ b/arm/docker-compose.yml
@@ -25,7 +25,7 @@ services:
       - db
 
   db:
-    image: mysql:8
+    image: mysql:9
     restart: always
     environment:
       - MYSQL_ROOT_PASSWORD=$MYSQL_ROOT_PASSWORD