diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 36116dc..21a6719 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,29 +1,52 @@
 name: CI
 
 on:
-  push:
-    branches:
-      - '**'
   pull_request:
     branches:
       - '**'
+    types:
+      - opened
+      - synchronize
+      - reopened
 
 jobs:
-  build:
-
+  build-and-test:
     runs-on: ubuntu-latest
 
     steps:
-    - name: Checkout repository
-      uses: actions/checkout@v2
+      - name: Check out code
+        uses: actions/checkout@v4
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Run Code Climate Test Reporter before-build
+        env:
+          CC_TEST_REPORTER_ID: ${{ secrets.CC_TEST_REPORTER_ID }}
+        run: |
+          curl -L https://codeclimate.com/downloads/test-reporter/test-reporter-latest-linux-amd64 > ./cc-test-reporter
+          chmod +x ./cc-test-reporter
+          ./cc-test-reporter before-build
 
-    - name: Set up Node.js
-      uses: actions/setup-node@v2
-      with:
-        node-version: '20'
+      - name: Run tests with coverage
+        run: npm run coverage
 
-    - name: Install dependencies
-      run: yarn install
+      - name: Format coverage report for Code Climate
+        env:
+          CC_TEST_REPORTER_ID: ${{ secrets.CC_TEST_REPORTER_ID }}
+        run: |
+          ./cc-test-reporter format-coverage coverage/lcov.info \
+            --input-type lcov \
+            --output coverage/codeclimate.json
 
-    - name: Run tests
-      run: yarn test
+      - name: Upload coverage to Code Climate
+        env:
+          CC_TEST_REPORTER_ID: ${{ secrets.CC_TEST_REPORTER_ID }}
+        run: |
+          ./cc-test-reporter upload-coverage \
+            --input coverage/codeclimate.json
diff --git a/package.json b/package.json
index bf970f9..03cc837 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,8 @@
     "dev": "tsc-watch --onSuccess 'node dist/index.js'",
     "test": "jest",
     "test:watch": "jest --watch",
-    "prebuild": "rimraf ./dist"
+    "prebuild": "rimraf ./dist",
+    "coverage": "jest --coverage"
   },
   "files": [
     "dist"