diff --git a/Dockerfile b/Dockerfile
index 16197651398..ac23ca61f42 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:alpine3.11
+FROM python:3.8.7-alpine3.11
 RUN mkdir /app
 WORKDIR /app
 COPY . /app