diff --git a/.github/workflows/upload-ror-analysis.yml b/.github/workflows/upload-ror-analysis.yml
index 7d03caa..8772809 100644
--- a/.github/workflows/upload-ror-analysis.yml
+++ b/.github/workflows/upload-ror-analysis.yml
@@ -50,7 +50,7 @@ jobs:
           aws s3 cp ror_hierarchy.json s3://${{ secrets.ROR_ANALYSIS_S3_BUCKET }}/ror_funder_mapping/ror_hierarchy.json
 
       - name: Upload JSON output as artifact (optional backup)
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: ror-jsons
           path: "*.json"