diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 9c7cd4d..9f03da8 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -53,7 +53,12 @@ jobs:
         npm test
   check_if_version_upgraded:
     name: Check if version upgrade
-    if: github.event_name == 'push'
+    # We run this only if it's a push on the default branch or if it's a PR from a 
+    # branch (meaning not a PR from a fork). It would be more straightforward to test if secrets.NPM_TOKEN is 
+    # defined but GitHub Action don't allow it yet.
+    if: |
+      github.event_name == 'push' || 
+      github.event.pull_request.head.repo.owner.login == github.event.pull_request.base.repo.owner.login 
     runs-on: ubuntu-latest
     needs: test
     outputs:
@@ -103,7 +108,7 @@ jobs:
         target_commitish: ${{ github.ref }}
         body: ${{ steps.step1.outputs.body }}
         draft: false
-        prerelease: false
+        prerelease: ${{ needs.check_if_version_upgraded.outputs.to_version.is_release_beta == 'true' }}
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}