diff --git a/Dockerfile b/Dockerfile
index 71091ec..5b17189 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.11-alpine as base
+FROM python:3.11-alpine@sha256:a7e350b25247c4c91a3951017a2c723270ab69c9c5d138c3f8fad1f2467c3364 as base
 
 LABEL org.opencontainers.image.authors="Myles Gray"
 LABEL org.opencontainers.image.source='https://github.com/mylesagray/discord-power-bot'