diff --git a/compose.yml b/compose.yml
index 9031893..871449c 100644
--- a/compose.yml
+++ b/compose.yml
@@ -63,7 +63,7 @@ services:
         - "traefik.http.middlewares.${STACK_NAME}-redirect.redirectregex.replacement=https://${DOMAIN}/$${2}"
         - "traefik.http.middlewares.${STACK_NAME}-redirect.redirectregex.permanent=true"
         - "coop-cloud.${STACK_NAME}.timeout=${TIMEOUT}"
-        - "coop-cloud.${STACK_NAME}.version=3.0.6+7.0.4"
+        - "coop-cloud.${STACK_NAME}.version=4.0.0+7.0.4"
 
   db:
     image: "mariadb:12.3"
diff --git a/release/4.0.0+7.0.4 b/release/4.0.0+7.0.4
new file mode 100644
index 0000000..59535d1
--- /dev/null
+++ b/release/4.0.0+7.0.4
@@ -0,0 +1 @@
+Breaking Change: the secret admin_password must be added.
\ No newline at end of file