diff --git a/Dockerfile-prod b/Dockerfile-prod
index 8bfb9b5..288c0ea 100644
--- a/Dockerfile-prod
+++ b/Dockerfile-prod
@@ -1,4 +1,4 @@
-FROM python:3.8-slim
+FROM python:3.9-slim
 
 ENV PYTHONUNBUFFERED 1