diff --git a/.github/workflows/mcp-container-checks.yml b/.github/workflows/mcp-container-checks.yml
index 665153f1f1..a8f760544f 100644
--- a/.github/workflows/mcp-container-checks.yml
+++ b/.github/workflows/mcp-container-checks.yml
@@ -87,6 +87,9 @@ jobs:
             api.github.com:443
             mirror.gcr.io:443
             check.trivy.dev:443
+            get.trivy.dev:443
+            release-assets.githubusercontent.com:443
+            objects.githubusercontent.com:443
 
       - name: Checkout repository
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
diff --git a/.github/workflows/sdk-container-checks.yml b/.github/workflows/sdk-container-checks.yml
index 19d11647c4..d0a46a8c98 100644
--- a/.github/workflows/sdk-container-checks.yml
+++ b/.github/workflows/sdk-container-checks.yml
@@ -85,6 +85,7 @@ jobs:
             check.trivy.dev:443
             debian.map.fastlydns.net:80
             release-assets.githubusercontent.com:443
+            objects.githubusercontent.com:443
             pypi.org:443
             files.pythonhosted.org:443
             www.powershellgallery.com:443
diff --git a/.github/workflows/ui-container-checks.yml b/.github/workflows/ui-container-checks.yml
index 56c9dd13f4..04775fce25 100644
--- a/.github/workflows/ui-container-checks.yml
+++ b/.github/workflows/ui-container-checks.yml
@@ -89,6 +89,8 @@ jobs:
             mirror.gcr.io:443
             check.trivy.dev:443
             get.trivy.dev:443
+            release-assets.githubusercontent.com:443
+            objects.githubusercontent.com:443
 
       - name: Checkout repository
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2