diff --git a/Dockerfile b/Dockerfile
index eba639b..77670ae 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # syntax=docker/dockerfile:labs
-FROM alpine:3.20.3
+FROM alpine:3.21.0
 COPY --from=zoeyvid/curl-quic:427 /usr/local/bin/curl /usr/local/bin/curl
 COPY update.sh /usr/local/bin/update.sh
 COPY healthcheck.sh /usr/local/bin/healthcheck.sh