diff --git a/Dockerfile b/Dockerfile
index 9c03255..627bd70 100755
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.12-bullseye
+FROM python:3.12-bookworm
 
 ENV DEBIAN_FRONTEND noninteractive
 ENV PY_SAX_PARSER hs_core.xmlparser