update builder internet requirement
diff --git a/DashboardBuilders.md b/DashboardBuilders.md
index fcd9825..79292f0 100644
--- a/DashboardBuilders.md
+++ b/DashboardBuilders.md
@@ -60,6 +60,7 @@
     - https://proxy.golang.org (or an alternative proxy via GOPROXY).
     - https://luci-token-server.appspot.com
     - https://chromium-swarm.appspot.com
+    - https://cr-buildbucket.appspot.com
   * Resources
     - At least 512MB of memory. 1GB or more is highly recommended.
     - 20GB disk space is ideal.