diff --git a/Dockerfile b/Dockerfile
index c595fcd..15c8cbe 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM caddy:2.8.4-builder-alpine@sha256:87e32379e55b89b32f4f6ba4287e14b99e44420d098a7aa8461836d4f104de5e AS builder
+FROM caddy:2.8.4-builder-alpine@sha256:4ad9121d96b2aa96464af5bc9824dbee003901ae9314f2127f0ecf0f62ccfff7 AS builder
 RUN xcaddy build --with github.com/lucaslorentz/caddy-docker-proxy/v2
 FROM caddy:2.8.4-alpine@sha256:a994e3abc186b932d77628238c78e6a0a5a1a8ad0ce4628c952fe9ab75638064
 COPY --from=builder /usr/bin/caddy /usr/bin/caddy