diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9197394..ca56bbb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -24,6 +24,10 @@ jobs:
   env-details:
     name: Environment details
     runs-on: macos-14
+    if: |
+      github.event_name == 'push' ||
+      !github.event.pull_request.head.repo.fork ||
+      (github.event.pull_request.head.repo.fork && contains(github.event.pull_request.labels.*.name, 'run ci'))
     steps:
       - name: xcode version
         run: xcodebuild -version -sdk