diff --git a/Dockerfile b/Dockerfile
index 1a5f953a2..8f5b85698 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.10.1-slim-bullseye as base
+FROM python:3.9.9-slim-bullseye as base
 
 # Setup env
 ENV LANG C.UTF-8