diff --git a/Dockerfile b/Dockerfile
index e2943d1..d0942d0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM caddy:2.6.3-builder-alpine@sha256:2cdff5739b835482ba6c60fecc8d75367587b21aaa04e6a60ee134f5d4b3d38e AS builder
+FROM caddy:2.6.3-builder-alpine@sha256:230edf0b7456074568c21d3681c0b13e28461f22fd1a1dc2f5ac624c7285b586 AS builder
 RUN xcaddy build --with github.com/lucaslorentz/caddy-docker-proxy/v2
 FROM caddy:2.6.3-alpine@sha256:ed81228ba91274f9af97ca5d41dafff1a9f1cfcedb6679377ea577c6540469b8
 COPY --from=builder /usr/bin/caddy /usr/bin/caddy