diff --git a/Dockerfile b/Dockerfile
index b95be19..9b3b9b0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM caddy:2.9.1-builder-alpine@sha256:a7da868cc556e38e6003f7129db24c9a29ceceee9e2a4dfc46480e8b0ad7d4a2 AS builder
+FROM caddy:2.9.1-builder-alpine@sha256:ecca57d559c108fbefa76c26716c701eb6a623f9d7000bc93169cfedaf882cb4 AS builder
 RUN xcaddy build --with github.com/lucaslorentz/caddy-docker-proxy/v2
 FROM caddy:2.9.1-alpine@sha256:b4e3952384eb9524a887633ce65c752dd7c71314d2c2acf98cd5c715aaa534f0
 COPY --from=builder /usr/bin/caddy /usr/bin/caddy