diff --git a/docker/zammad/Dockerfile b/docker/zammad/Dockerfile
index 44ded97..baa234a 100644
--- a/docker/zammad/Dockerfile
+++ b/docker/zammad/Dockerfile
@@ -1,4 +1,4 @@
-ARG ZAMMAD_VERSION=6.4.1
+ARG ZAMMAD_VERSION=6.5.0
 
 FROM node:22-slim AS node
 
@@ -18,7 +18,7 @@ COPY setup.rb contrib/link/setup.rb
 COPY install.rb contrib/link/install.rb
 
 RUN sed -i '/script\/build\/cleanup\.sh/d' contrib/docker/setup.sh
-RUN sed -i '/touch db\/schema.rb/a ZAMMAD_SAFE_MODE=1 DATABASE_URL=postgresql:\/\/zammad:\/zammad bundle exec rails runner \/opt\/zammad\/contrib\/link\/install.rb' contrib/docker/setup.sh
+RUN sed -i '/touch db\/schema.rb/a cd ${ZAMMAD_DIR} && ruby contrib\/link\/install.rb' contrib/docker/setup.sh
 RUN cat contrib/docker/setup.sh
 RUN contrib/docker/setup.sh builder
 ARG EMBEDDED=false