diff --git a/Dockerfile b/Dockerfile
index 95db8ac..498b89b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.8-alpine
+FROM python:3.9-alpine
 WORKDIR /app
 COPY . /app
 RUN pip install -r requirements.txt