diff --git a/.github/workflows/project_data_change.yml b/.github/workflows/project_data_change.yml
index 73b7de4..1fb62f0 100644
--- a/.github/workflows/project_data_change.yml
+++ b/.github/workflows/project_data_change.yml
@@ -33,7 +33,7 @@ jobs:
         id: changes
         run: |
           CHANGED_FILES=$(curl -s -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
-          https://api.github.com/repos/${{ github.repository }}/commits/${{ github.sha }} | jq -r '.files[].filename' | grep 'project/data/')
+          https://api.github.com/repos/${{ github.repository }}/commits/${{ github.sha }} | jq -r '.files[].filename' | grep 'project/data/.*\.tsv$')
           CHANGED_FILES=$(echo "$CHANGED_FILES" | tr '\n' ' ')
           echo "CHANGED_FILES=$CHANGED_FILES" >> $GITHUB_ENV
           echo "Files changed: $CHANGED_FILES"