diff --git a/.github/workflows/child.yml b/.github/workflows/child.yml
index 1783e864..26da6a54 100644
--- a/.github/workflows/child.yml
+++ b/.github/workflows/child.yml
@@ -17,4 +17,4 @@ jobs:
       - name: run
         env:
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        run: gh workflow run ./\{\{\ cookiecutter.name\ \}\}/.github/workflows/ci.yml --ref ${{ github.ref }}
+        run: gh workflow run ./\{\{\ cookiecutter.name\ \}\}/.github/workflows/ci.yml --ref poetry