diff --git a/Dockerfile b/Dockerfile
index 61af026..a948111 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.13.0a3-alpine3.18
+FROM python:3.13.0a4-alpine3.18
 
 RUN apk upgrade && apk add curl && apk upgrade busybox # CVE-2022-48174