diff --git a/Dockerfile b/Dockerfile
index c371596..1149f34 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,8 +1,8 @@
-FROM caddy:2.8.1-builder AS builder
+FROM caddy:2.8.4-builder AS builder
 RUN xcaddy build \
   --with github.com/caddy-dns/cloudflare \
   --with github.com/ss098/certmagic-s3
 
-FROM caddy:2.8.1-alpine
+FROM caddy:2.8.4-alpine
 COPY --from=builder /usr/bin/caddy /usr/bin/caddy
 RUN apk update && apk upgrade