diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index d53cb077c..c1ac90d13 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -76,6 +76,7 @@ jobs:
             objects.githubusercontent.com:443
             packages.microsoft.com:443
             pkg.go.dev:443
+            ports.ubuntu.com:80
             production.cloudflare.docker.com:443
             proxy.golang.org:443
             raw.githubusercontent.com:443