diff --git a/Dockerfile b/Dockerfile
index 5775372..498b8e2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM caddy:2.6.4-builder-alpine@sha256:ef81823d12a3d4befb8d3dc29929c37f003682cc6a9cc8a7e8ed08442fc2644a AS builder
+FROM caddy:2.6.4-builder-alpine@sha256:6a6200d6f94d3e2f715b2066b22dbcb49e9598feab6c86bbb40cde3200644a76 AS builder
 RUN xcaddy build --with github.com/lucaslorentz/caddy-docker-proxy/v2
 FROM caddy:2.6.4-alpine@sha256:5c484a4a330983be3377bc7f78ec04e168e1cc48ad1ece215e301a47672471f7
 COPY --from=builder /usr/bin/caddy /usr/bin/caddy