diff --git a/Dockerfile b/Dockerfile
index 98abf88..2c49389 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM caddy:2.9.1-builder-alpine@sha256:77a6376a7f8074e856ffdb339054d28b93bd6cc68c82e34b675b0b39b1a25689 AS builder
+FROM caddy:2.9.1-builder-alpine@sha256:5875c0886d07aeae49c25c284bb5c7b65c2506f16e783cdb1f6f981200f3a226 AS builder
 RUN xcaddy build --with github.com/lucaslorentz/caddy-docker-proxy/v2
 FROM caddy:2.9.1-alpine@sha256:89ea4dae338296f09e236f619460928e6431376a0bc4e1e4017f7ad057ef2b18
 COPY --from=builder /usr/bin/caddy /usr/bin/caddy