diff --git a/Dockerfile b/Dockerfile
index e7f464b..e235b0a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM postgres:14.9-bullseye
+FROM postgres:14.9-bookworm
 
 COPY initScript/*.sh /docker-entrypoint-initdb.d/
 COPY backup-database.sh /backup-database.sh