diff --git a/Dockerfile b/Dockerfile
index ec80037..e810d12 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 FROM busybox:1.37.0-uclibc@sha256:cc57e0ff4b6d3138931ff5c7180d18078813300e2508a25fb767a4d36df30d4d as busybox
 
-FROM alpine:3.21.3@sha256:a8560b36e8b8210634f77d9f7f9efd7ffa463e380b75e2e74aff4511df3ef88c as cloudflared
+FROM alpine:3.22.0@sha256:8a1f59ffb675680d47db6337b49d22281a139e9d709335b492be023728e11715 as cloudflared
 
 # Dockerfile cross compilation helper
 FROM tonistiigi/xx@sha256:923441d7c25f1e2eb5789f82d987693c47b8ed987c4ab3b075d6ed2b5d6779a3 AS xx