diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 8ce134f5f..15d0aa7f3 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -45,6 +45,7 @@ jobs:
             github.com:443
             index.crates.io:443
             objects.githubusercontent.com:443
+            proxy.golang.org:443
             pypi.org:443
             static.crates.io:443
       - name: Checkout Repository