diff --git a/Dockerfile b/Dockerfile
index 689c387..87f2c90 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-ARG BASEIMAGE=python:alpine
+ARG BASEIMAGE=python:3.13.3-alpine3.21
 FROM ${BASEIMAGE}
 
 ARG BUILD_DATE