diff --git a/Dockerfile b/Dockerfile
index 8c1922420..f3c061e60 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.6-alpine
+FROM python:3.9.12-alpine
 ENV PYTHONUNBUFFERED 1
 
 # Build-time metadata as defined at http://label-schema.org