diff --git a/confidential-ledger-demo/server/Dockerfile b/confidential-ledger-demo/server/Dockerfile
index 15bc6f0..b9b189a 100644
--- a/confidential-ledger-demo/server/Dockerfile
+++ b/confidential-ledger-demo/server/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.9-alpine as base
+FROM python:3.12.0a5-alpine as base
 FROM base as builder
 
 RUN apk -U upgrade