diff --git a/.github/workflows/tox.yml b/.github/workflows/tox.yml
index d980ab4a8..563d78434 100644
--- a/.github/workflows/tox.yml
+++ b/.github/workflows/tox.yml
@@ -163,7 +163,7 @@ jobs:
         with:
           name: ${{ matrix.name }}
           fail_ci_if_error: true
-          use_oidc: true # cspell:ignore oidc
+          use_oidc: ${{ !(github.event_name == 'pull_request' && github.event.pull_request.head.repo.fork) }} # cspell:ignore oidc
 
       - name: Check codecov.io status
         if: github.event_name == 'pull_request'