diff --git a/.env b/.env
index d8bbf02..d93a2b7 100644
--- a/.env
+++ b/.env
@@ -1,6 +1,6 @@
 IMAGE_REPO=zammad/zammad-docker-compose
 MEMCACHE_SERVERS=zammad-memcached:11211
-POSTGRES_VERSION=15.1-alpine
+POSTGRES_VERSION=15-alpine
 POSTGRES_PASS=zammad
 POSTGRES_USER=zammad
 REDIS_URL=redis://zammad-redis:6379