diff --git a/Dockerfile b/Dockerfile
index 7549dfe..9564a21 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM caddy:2.9.1-builder-alpine@sha256:eb37f58646a901dc7727cf448cae36daaefaba79de33b5058dab79aa4c04aefb AS builder
+FROM caddy:2.9.1-builder-alpine@sha256:ca7cf1f32bfd454db7517326d4282b6aa9794843e492f5d29a051d8758874d0b AS builder
 RUN xcaddy build --with github.com/lucaslorentz/caddy-docker-proxy/v2
 FROM caddy:2.9.1-alpine@sha256:1131a7f215fdcbf0543a7096fceddd2304f14608b3c2c852224f3ee6b3dd6a80
 COPY --from=builder /usr/bin/caddy /usr/bin/caddy