diff --git a/Dockerfile b/Dockerfile
index 79ac28d..0b9b19d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # https://hub.docker.com/_/python/
-FROM python:3.10-alpine
+FROM python:3.13-alpine
 
 WORKDIR /opt/index-digest