diff --git a/Dockerfile b/Dockerfile
index b9cb72c..c1edf60 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM caddy:2.7.5-builder-alpine@sha256:523edcf3099b5029d8c46407446688a691aca7b9faf5e415c752dd995817c81e AS builder
+FROM caddy:2.7.5-builder-alpine@sha256:4da6eb923a23cd71b68faebfc7beca6d8f3e1eec06b420fc4cc676513e5c2bd6 AS builder
 RUN xcaddy build --with github.com/lucaslorentz/caddy-docker-proxy/v2
 FROM caddy:2.7.5-alpine@sha256:85e096a1c55daae9caa2f82aa20dd3a415180c63979f40c0693ee1b4a4e1f46a
 COPY --from=builder /usr/bin/caddy /usr/bin/caddy