diff --git a/Dockerfile b/Dockerfile
index 0239281..6d079d0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM caddy:2.6.3-builder-alpine@sha256:d7e4d9f2654863b0405e051f717f84c9b69c1b97ae73e3fc1cc69064304f579a AS builder
+FROM caddy:2.6.3-builder-alpine@sha256:a11383c5bae9aa6cf9d3d9b8ff2936ab4ffdadb84133c1899254d0c5458ae9e0 AS builder
 RUN xcaddy build --with github.com/lucaslorentz/caddy-docker-proxy/v2
 FROM caddy:2.6.3-alpine@sha256:7644356089c9fa49f484d986258316090faa7dce7fa7bcf5b90c065110ae3b9f
 COPY --from=builder /usr/bin/caddy /usr/bin/caddy