diff --git a/Dockerfile b/Dockerfile
index e9ce9ba..a14680e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM caddy:2.9.1-builder-alpine@sha256:202251e550871dacf6df92ba298fedcd72197f457d570ab12ea531956fbd5710 AS builder
+FROM caddy:2.9.1-builder-alpine@sha256:77a6376a7f8074e856ffdb339054d28b93bd6cc68c82e34b675b0b39b1a25689 AS builder
 RUN xcaddy build --with github.com/lucaslorentz/caddy-docker-proxy/v2
 FROM caddy:2.9.1-alpine@sha256:b1843ebe13997299e8639d208f1b94e5d849dd0f31047652e62ab56b1ec881a9
 COPY --from=builder /usr/bin/caddy /usr/bin/caddy