diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..64d99d9
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,97 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+concurrency:
+  group: ci-${{ github.workflow }}-${{ github.head_ref || github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  test:
+    name: PHPUnit (PHP ${{ matrix.php }})
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        php: ['8.2', '8.3', '8.4', '8.5']
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php }}
+          coverage: none
+          tools: composer
+
+      - name: Cache Composer dependencies
+        uses: actions/cache@v4
+        with:
+          path: vendor
+          key: composer-${{ runner.os }}-${{ matrix.php }}-${{ hashFiles('composer.json') }}
+          restore-keys: |
+            composer-${{ runner.os }}-${{ matrix.php }}-
+
+      - name: Install dependencies
+        run: composer install --prefer-dist --no-progress
+
+      - name: Run tests
+        run: composer test
+
+  static-analysis:
+    name: PHPStan
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: '8.2'
+          coverage: none
+          tools: composer
+
+      - name: Cache Composer dependencies
+        uses: actions/cache@v4
+        with:
+          path: vendor
+          key: composer-${{ runner.os }}-8.2-${{ hashFiles('composer.json') }}
+          restore-keys: |
+            composer-${{ runner.os }}-8.2-
+
+      - name: Install dependencies
+        run: composer install --prefer-dist --no-progress
+
+      - name: Run PHPStan
+        run: composer analyse
+
+  code-style:
+    name: PHP CS Fixer
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: '8.2'
+          coverage: none
+          tools: composer
+
+      - name: Cache Composer dependencies
+        uses: actions/cache@v4
+        with:
+          path: vendor
+          key: composer-${{ runner.os }}-8.2-${{ hashFiles('composer.json') }}
+          restore-keys: |
+            composer-${{ runner.os }}-8.2-
+
+      - name: Install dependencies
+        run: composer install --prefer-dist --no-progress
+
+      - name: Check code style
+        run: composer cs:check