diff --git a/Dockerfile b/Dockerfile
index b13597c..3ed18ab 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM caddy:2.6.4-builder-alpine@sha256:e86349b7640c792ccb3401b416a9288a1754fce7edb3293b0e667fe4a3b71fcd AS builder
+FROM caddy:2.6.4-builder-alpine@sha256:23cb0570656bc0abe349fe80d307b2d6ab93563fc93c1ece68e27438eb8c463e AS builder
 RUN xcaddy build --with github.com/lucaslorentz/caddy-docker-proxy/v2
 FROM caddy:2.6.4-alpine@sha256:ca93629e04db8047dd93aa2bf1e66d24230146e83fc20034f5c210a895fd2f02
 COPY --from=builder /usr/bin/caddy /usr/bin/caddy