diff --git a/compose.yml b/compose.yml
index 613f4a1..378af21 100644
--- a/compose.yml
+++ b/compose.yml
@@ -144,7 +144,7 @@ services:
       start_period: 5m
 
   zammad-postgresql:
-    image: postgres:15.7-alpine
+    image: postgres:18.6-alpine
     environment:
       POSTGRES_DB: zammad_production
       POSTGRES_USER: zammad