diff --git a/Dockerfile b/Dockerfile
index c5f5722..07d8c71 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.21
+FROM alpine:3.23
 
 RUN mkdir -p /tftpboot; \
     apk --update add --no-cache tftp-hpa busybox