diff --git a/.github/workflows/gen-gh-pages-data.yml b/.github/workflows/gen-gh-pages-data.yml
new file mode 100644
index 0000000..d500f7f
--- /dev/null
+++ b/.github/workflows/gen-gh-pages-data.yml
@@ -0,0 +1,26 @@
+name: Generate gh-pages data
+
+on:
+  release:
+    types: [created]
+   
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set Up Python
+      uses: actions/setup=python@v2
+      with:
+        python-version: '3.x'
+    - name: Install mathgenerator
+      run: |
+        python -m pip install --upgrade pip
+        pip install .
+    - name: Generate data.js
+      run: |
+        git checkout gh-pages
+        python genData.py
+        git commit -am "update data.js"
+        git push