diff --git a/Dockerfile b/Dockerfile
index db9824e..2b97548 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,7 +5,7 @@ RUN xcaddy build \
     --with github.com/lucaslorentz/caddy-docker-proxy/v2 \
     --with github.com/mholt/caddy-l4 \
     --with github.com/mholt/caddy-ratelimit \
-    --with github.com/ryanmalloy/caddy-sip-guardian
+    --with git.supported.systems/rsp2k/caddy-sip-guardian
 
 FROM caddy:2.8-alpine