diff --git a/Dockerfile b/Dockerfile
index 5b2f1de..31bf6dd 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 FROM caddy:2-builder-alpine AS builder
 
-RUN xcaddy build \
+RUN xcaddy build v2.3.0\
     --with github.com/caddy-dns/cloudflare
 
 FROM caddy:2-alpine