diff --git a/Dockerfile b/Dockerfile
index cb897ea..6162ad3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM caddy:2.7.6-builder-alpine@sha256:e48893eec1bcee7071e85f953e894b52d7d99317e159eafb7f1259e6bc858d5b AS builder
+FROM caddy:2.7.6-builder-alpine@sha256:fd9d8fc07ef53ffdb2c55e5eaf90f575f0742a80eca6a85d28000ae766838cc2 AS builder
 RUN xcaddy build --with github.com/lucaslorentz/caddy-docker-proxy/v2
 FROM caddy:2.7.6-alpine@sha256:95ce04978787e23e35143d23b8af2fbb6d6de55213b54a2e9ed2dbf8ffe7313c
 COPY --from=builder /usr/bin/caddy /usr/bin/caddy