diff --git a/Dockerfile b/Dockerfile
index 92ecca9..cd08c47 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM caddy:2.8.4-builder-alpine@sha256:efcaded1f3de9b4af57b504287685af4abb4d6152188550387b454236526a9fc AS builder
+FROM caddy:2.8.4-builder-alpine@sha256:a4fa8ea4585faebda70aa16d77c90d96867dfef9f1555cb32152df985a2d5c50 AS builder
 RUN xcaddy build --with github.com/lucaslorentz/caddy-docker-proxy/v2
 FROM caddy:2.8.4-alpine@sha256:896c6fb9e3eae11890f53dc528b8a9be1b4d058f6b7603024feb084fc203c0b4
 COPY --from=builder /usr/bin/caddy /usr/bin/caddy