diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 08b7f74..0647725 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,8 +1,10 @@
 name: CI
 
 on:
-  - push
-  - pull_request
+  push:
+    branches:
+      - main
+  pull_request:
 
 jobs:
   test:
@@ -14,13 +16,13 @@ jobs:
           - 2.7
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
-    - uses: textbook/git-checkout-submodule-action@2.1.1
-    - name: Set up Ruby
-      uses: ruby/setup-ruby@v1
-      with:
-        ruby-version: ${{matrix.ruby}}
-    - name: Install dependencies
-      run: bundle install --without dev lint
-    - name: Run tests
-      run: bundle exec rake
+      - uses: actions/checkout@v2
+      - uses: textbook/git-checkout-submodule-action@2.1.1
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{matrix.ruby}}
+      - name: Install dependencies
+        run: bundle install --without dev lint
+      - name: Run tests
+        run: bundle exec rake
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
new file mode 100644
index 0000000..9ca2b51
--- /dev/null
+++ b/.github/workflows/lint.yml
@@ -0,0 +1,17 @@
+name: Lint
+
+on:
+  - pull_request
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - run: git fetch --no-tags --prune --depth=10 origin +refs/heads/*:refs/remotes/origin/*
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+      - name: Install dependencies
+        run: bundle install --without dev development default
+      - name: Run pronto
+        run: PRONTO_PULL_REQUEST_ID="$(jq --raw-output .number "$GITHUB_EVENT_PATH")" PRONTO_GITHUB_ACCESS_TOKEN="${{ github.token }}" pronto run -f github_status github_pr -c origin/${{ github.base_ref }}