diff --git a/.github/workflows/reusable-cpp-coverage.yml b/.github/workflows/reusable-cpp-coverage.yml
index 5a3b5e5..45c3664 100644
--- a/.github/workflows/reusable-cpp-coverage.yml
+++ b/.github/workflows/reusable-cpp-coverage.yml
@@ -56,4 +56,4 @@ jobs:
         with:
           fail_ci_if_error: true
           flags: cpp
-          use_oidc: true
+          use_oidc: ${{ !(github.event_name == 'pull_request' && github.event.pull_request.head.repo.fork) }}
diff --git a/.github/workflows/reusable-python-ci.yml b/.github/workflows/reusable-python-ci.yml
index 2bfba1b..208b2c5 100644
--- a/.github/workflows/reusable-python-ci.yml
+++ b/.github/workflows/reusable-python-ci.yml
@@ -73,4 +73,4 @@ jobs:
         with:
           fail_ci_if_error: true
           flags: python
-          use_oidc: true
+          use_oidc: ${{ !(github.event_name == 'pull_request' && github.event.pull_request.head.repo.fork) }}