diff --git a/Dockerfile b/Dockerfile
index ba75023..67d0295 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@ ARG GIT_COMMIT=unspecified
 ARG GIT_REMOTE=unspecified
 ARG VERSION=unspecified
 
-FROM python:3.7-alpine
+FROM python:3.9.0-alpine
 
 ARG GIT_COMMIT
 ARG GIT_REMOTE