diff --git a/Dockerfile b/Dockerfile
index 4ee58d8..7fc2927 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.11-alpine
+FROM python:3.10-alpine@sha256:ba6cfcca463537621aac63ffda4f93cd73e1f3dea59a83287603fbebd02444e4
 
 LABEL maintainer="Robert Kaussow <mail@thegeeklab.de>"
 LABEL org.opencontainers.image.authors="Robert Kaussow <mail@thegeeklab.de>"