diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index b1b4dac..11f56a2 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -16,6 +16,8 @@ jobs:
 
       - name: Build the article PDF
         id: build
+        with:
+          showyourwork-spec: git+https://github.com/showyourwork/showyourwork
         uses: showyourwork/showyourwork-action@v1
         env:
           SANDBOX_TOKEN: ${{ secrets.SANDBOX_TOKEN }}