diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
new file mode 100644
index 0000000..3ee13dd
--- /dev/null
+++ b/.github/workflows/main.yml
@@ -0,0 +1,25 @@
+name: CI
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Run a one-line script
+      run: echo Hello, world!
+    - name: Run a multi-line script
+      run: |
+        echo Add other actions to build,
+        echo test, and deploy your project.
+    - name: Lock threads
+      uses: dessant/lock-threads@v4
+      with:
+        github-token: ${{ secrets.VALID_GITHUB_TOKEN }}