diff --git a/Dockerfile b/Dockerfile
index cd48e00..e2e0fa9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.7@sha256:92251458088c638061cda8fd8b403b76d661a4dc6b7ee71b6affcf1872557b2b
+FROM alpine:3.22@sha256:4b7ce07002c69e8f3d704a9c5d6fd3053be500b7f1c69fc0d80990c2ad8dd412
 
 LABEL maintainer="Leonardo Gatica <lgatica@protonmail.com>" \
       caddy_version="0.10.12" \