diff --git a/Dockerfile b/Dockerfile
index de9de37..d062016 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM caddy:2.7.6-builder-alpine@sha256:a3b50a813f47019f193298a42ba69b21996ae88f08674107977215d2d442fe6f AS builder
+FROM caddy:2.7.6-builder-alpine@sha256:87635260bd514d4be319457066f9dcc73ad763bdda83bc7edeb6e8db9f961374 AS builder
 RUN xcaddy build --with github.com/lucaslorentz/caddy-docker-proxy/v2
 FROM caddy:2.7.6-alpine@sha256:80ca561981768b2c3568cc4bef3d4cd1f11c2a625c806bedeb8453aef98779a0
 COPY --from=builder /usr/bin/caddy /usr/bin/caddy