diff --git a/.github/workflows/repo-growth.yml b/.github/workflows/repo-growth.yml
index 25691fb..3710415 100644
--- a/.github/workflows/repo-growth.yml
+++ b/.github/workflows/repo-growth.yml
@@ -21,3 +21,5 @@ jobs:
         with:
           title: WeChat-AI growth
           output: assets/repo-growth.svg
+          backfill: true
+          token: ${{ secrets.REPO_GROWTH_BACKFILL_TOKEN }}