diff --git a/.github/workflows/caddy.yml b/.github/workflows/caddy.yml
index ffef4c74584..bcbcc796834 100644
--- a/.github/workflows/caddy.yml
+++ b/.github/workflows/caddy.yml
@@ -97,7 +97,7 @@ jobs:
         export GOARCH=${{ matrix.config.GOARCH }} 
         export GOOS=${{ matrix.config.GOOS }} 
         ~/go/bin/xcaddy build \
-          --with github.com/mholt/caddy-l4 \
+          --with github.com/mholt/caddy-l4=github.com/WeidiDeng/caddy-l4@udp-pp \
           --with github.com/caddy-dns/duckdns \
           --with github.com/mholt/caddy-events-exec \
           --with github.com/WeidiDeng/caddy-cloudflare-ip \