diff --git a/compose.yml b/compose.yml
index 5920e78..2839d9b 100644
--- a/compose.yml
+++ b/compose.yml
@@ -27,7 +27,7 @@ services:
         #- "traefik.http.routers.${STACK_NAME}.middlewares=${STACK_NAME}-redirect"
         #- "traefik.http.middlewares.${STACK_NAME}-redirect.headers.SSLForceHost=true"
         #- "traefik.http.middlewares.${STACK_NAME}-redirect.headers.SSLHost=${DOMAIN}"
-        - "coop-cloud.${STACK_NAME}.version=2.0.0+2.0.0-beta.1"
+        - "coop-cloud.${STACK_NAME}.version=3.0.0+2.2.1"
         - "backupbot.backup=${ENABLE_BACKUPS:-true}"
     healthcheck:
       test: "curl -L localhost:3001"
diff --git a/release/3.0.0+2.2.1 b/release/3.0.0+2.2.1
new file mode 100644
index 0000000..df6fa0d
--- /dev/null
+++ b/release/3.0.0+2.2.1
@@ -0,0 +1 @@
+In case you are currently using MariaDb instead of the internal sqlite, you need to activate the usage of compose.mariadb.yaml in your env file. (compare .env.sample) Reason for this is that the mariadb container was removed from compose.yml
\ No newline at end of file