diff --git a/containers/zammad-postgresql/Dockerfile b/containers/zammad-postgresql/Dockerfile
index aa47db6..cbd940b 100644
--- a/containers/zammad-postgresql/Dockerfile
+++ b/containers/zammad-postgresql/Dockerfile
@@ -1,4 +1,4 @@
-FROM postgres:9.6-alpine
+FROM postgres:10.7-alpine
 MAINTAINER Zammad <info@zammad.org>
 ARG BUILD_DATE