diff --git a/.github/workflows/pre-release.yml b/.github/workflows/pre-release.yml
index c406c0a1..e1e31131 100644
--- a/.github/workflows/pre-release.yml
+++ b/.github/workflows/pre-release.yml
@@ -27,6 +27,7 @@
                 packages.microsoft.com:443
                 ppa.launchpadcontent.net:443
                 pypi.org:443
+                opencre.org:443
           - name: Checkout repository
             uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2
           # Set the pip environment up
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 9c22b2e5..5b27ee0f 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -29,6 +29,7 @@
                 packages.microsoft.com:443
                 ppa.launchpadcontent.net:443
                 pypi.org:443
+                opencre.org:443
           - name: Checkout repository
             uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2
           # Set the pip environment up
diff --git a/.github/workflows/run-tests-generate-output.yaml b/.github/workflows/run-tests-generate-output.yaml
index 6ffc7379..afec4952 100644
--- a/.github/workflows/run-tests-generate-output.yaml
+++ b/.github/workflows/run-tests-generate-output.yaml
@@ -33,6 +33,7 @@ jobs:
             packages.microsoft.com:443
             ppa.launchpadcontent.net:443
             pypi.org:443
+            opencre.org:443
       - name: Checkout repository
         uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2
       # Set the pip environment up