diff --git a/Dockerfile b/Dockerfile
index e233933..41c4c3a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.9.6-alpine AS builder
+FROM python:3.10.6-alpine AS builder
 
 RUN apk add --no-cache \
     build-base~=0.5 \
@@ -18,7 +18,7 @@ ARG PIPENV_VENV_IN_PROJECT=true
 RUN pipenv install --deploy --ignore-pipfile
 
 
-FROM python:3.9.6-alpine
+FROM python:3.10.6-alpine
 
 LABEL org.opencontainers.image.source="https://github.com/Defelo/traefik-keycloak"