diff --git a/.github/workflows/latest-pre.yml b/.github/workflows/latest-pre.yml
index d77f9792f..75bb71fc1 100644
--- a/.github/workflows/latest-pre.yml
+++ b/.github/workflows/latest-pre.yml
@@ -1,8 +1,10 @@
 name: latest pre-release
 on:
   push:
+    branches:
+      - develop
     tags:
-    - '**-pre**'
+      - '**-pre**'
 jobs:
 
   build:
diff --git a/.github/workflows/runtime.yml b/.github/workflows/runtime.yml
new file mode 100644
index 000000000..d2ab4d573
--- /dev/null
+++ b/.github/workflows/runtime.yml
@@ -0,0 +1,40 @@
+name: Runtime
+on:
+  pull_request:
+    branches:
+      - v2-alpha
+    paths:
+      - 'v2/internal/frontend/runtime/**'
+jobs:
+  rebuild-runtime:
+    name: Rebuild the runtime
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
+        with:
+          node-version: lts
+
+      - name: Install dependencies
+        uses: elstudio/actions-js-build/build@v4
+        with:
+          wdPath: 'v2/internal/frontend/runtime'
+          args: install
+
+      - name: Rebuild runtime
+        uses: elstudio/actions-js-build/build@v4
+        with:
+          wdPath: 'v2/internal/frontend/runtime'
+          args: run build
+
+      - name: Cache dependencies
+        uses: actions/cache@v2
+        with:
+          path: ~/.npm
+          key: npm-${{ hashFiles('v2/internal/frontend/runtime/package-lock.json') }}
+          restore-keys: npm-
+
+      - name: Commit changes
+        uses: elstudio/actions-js-build/commit@v4
+        with:
+          commitMessage: Rebuild runtime