diff --git a/.github/workflows/nightly-build.yaml b/.github/workflows/nightly-build.yaml
index 7af78771..39f51c44 100644
--- a/.github/workflows/nightly-build.yaml
+++ b/.github/workflows/nightly-build.yaml
@@ -12,6 +12,10 @@ jobs:
     with:
       environment_name: cookbook-dev
 
+  deploy:  # publish the built book on GitHub Pages
+    needs: build
+    uses: ProjectPythia/cookbook-actions/.github/workflows/deploy-book.yaml@main
+
   link-check:
     if: ${{ github.repository_owner == 'ProjectPythia' }}
     uses: ProjectPythia/cookbook-actions/.github/workflows/link-checker.yaml@main