diff --git a/Dockerfile b/Dockerfile
index 427a542..9a426fa 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM caddy:2.8.4-builder-alpine@sha256:ce7d58e2ff641a4268d101c86db79a60d0bcdb6636a25c905c8da9a8a64b77db AS builder
+FROM caddy:2.8.4-builder-alpine@sha256:553c1bbbea1bc75829c9483c0b3caf2d67d263db9258ad70fb48bb4f78baf6c1 AS builder
 RUN xcaddy build --with github.com/lucaslorentz/caddy-docker-proxy/v2
 FROM caddy:2.8.4-alpine@sha256:54e9c7289f80701f1df5bc8236b25b740f598f51f1bbdba250f2335aadd6bccd
 COPY --from=builder /usr/bin/caddy /usr/bin/caddy