diff --git a/docker/Dockerfile b/docker/Dockerfile
index 2534ff8..602d77e 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.8-slim-bullseye
+FROM python:3.9-slim-bullseye
 
 # Setup env
 ENV PYTHONDONTWRITEBYTECODE=1