diff --git a/compose.yml b/compose.yml
index 6b310c5..459bbcb 100644
--- a/compose.yml
+++ b/compose.yml
@@ -94,7 +94,7 @@ services:
       labels:
         - "traefik.enable=false"
         - "coop-cloud.${STACK_NAME}.timeout=${TIMEOUT:-120}"
-        - "coop-cloud.${STACK_NAME}.version=0.2.6+v0.11.1"
+        - "coop-cloud.${STACK_NAME}.version=0.3.0+v0.11.1"
     environment:
       <<: [ *common-env ]
     healthcheck:
@@ -180,17 +180,17 @@ services:
       - email_pass
 
   db:
-    image: postgres:16
+    image: pgautoupgrade/pgautoupgrade:18-debian
     networks:
       - backend 
     healthcheck:
-      test: ["CMD", "pg_isready", "-q", "-U", "docs", "-d", "docs"]
+      test: ["CMD", "pg_isready", "-q", "-U", "drive", "-d", "drive"]
       interval: 1s
       timeout: 2s
       retries: 300
     environment:
       <<: *postgres-env
-      PGDATA: var/lib/postgresql/data/pgdata
+      PGDATA: /var/lib/postgresql/data/pgdata
     volumes:
       - postgres:/var/lib/postgresql/data/pgdata
     deploy:
diff --git a/release/0.3.0+v0.11.1 b/release/0.3.0+v0.11.1
new file mode 100644
index 0000000..046d989
--- /dev/null
+++ b/release/0.3.0+v0.11.1
@@ -0,0 +1 @@
+Switched the database image from postgres:16 to pgautoupgrade/pgautoupgrade:18-debian. This enables automatic PostgreSQL major version upgrades. No action required from the operator — the upgrade from PostgreSQL 16 to 18 is handled automatically by the pgautoupgrade image on first start.