diff --git a/.github/workflows/generate.yml b/.github/workflows/generate.yml
index 1df7005..4764cb9 100644
--- a/.github/workflows/generate.yml
+++ b/.github/workflows/generate.yml
@@ -22,9 +22,23 @@ jobs:
       - name: Install npm dependencies
         run: npm ci
       - name: Generate parser
-        run: npx tree-sitter generate
+        run: |
+          npx tree-sitter generate
+          npx tree-sitter build-wasm
       - name: Update parser files
         uses: stefanzweifel/git-auto-commit-action@v4
         with:
           commit_message: Generate parser
           file_pattern: src
+      - name: Checkout gh-pages branch to ./gh-pages
+        uses: actions/checkout@v2
+        with:
+          ref: gh-pages
+          path: ./gh-pages
+      - run: mv *.wasm ./gh-pages
+      - name: Update WASM file on gh-pages branch
+        uses: stefanzweifel/git-auto-commit-action@v4
+        with:
+          commit_message: Generate WASM
+          file_pattern: "*.wasm"
+          repository: ./gh-pages