diff --git a/Dockerfile-postgresql b/Dockerfile-postgresql
index 2773586..43a901b 100644
--- a/Dockerfile-postgresql
+++ b/Dockerfile-postgresql
@@ -1,3 +1,3 @@
-FROM postgres:16.2-bullseye
+FROM postgres:16.6-bookworm
 RUN localedef -i de_DE -c -f UTF-8 -A /usr/share/locale/locale.alias de_DE.UTF-8
 ENV LANG de_DE.utf8
\ No newline at end of file