diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
new file mode 100644
index 0000000..2872899
--- /dev/null
+++ b/.github/workflows/test.yml
@@ -0,0 +1,22 @@
+name: Test All Grammar
+
+on:
+  push:
+    branches:
+      - "main"
+  pull_request:
+    branches:
+      - "main"
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - uses: actions/setup-node@v2
+      with:
+        node-version-file: '.nvmrc'
+    - name: Install modules
+      run: npm ci
+    - name: Run vscode-tmgrammar-test
+      run: npm test
diff --git a/.nvmrc b/.nvmrc
new file mode 100644
index 0000000..23d9c36
--- /dev/null
+++ b/.nvmrc
@@ -0,0 +1 @@
+16.13.2