diff --git a/Dockerfile b/Dockerfile
index c394c9e..024e37c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,11 +1,11 @@
-FROM python:3.10-alpine AS build
+FROM python:3.10.8-alpine AS build
 
 RUN apk add --no-cache py3-pip alpine-sdk libffi-dev
 RUN python3 -m venv /opt/venv
 ENV PATH="/opt/venv/bin:$PATH"
 RUN pip install certbot certbot-dns-safedns
 
-FROM python:3.10-alpine
+FROM python:3.10.8-alpine
 COPY --from=build /opt/venv /opt/venv
 ENV PATH="/opt/venv/bin:$PATH"