diff --git a/.github/workflows/phpstan.yml b/.github/workflows/phpstan.yml
new file mode 100644
index 0000000..bc084a7
--- /dev/null
+++ b/.github/workflows/phpstan.yml
@@ -0,0 +1,27 @@
+name: PHPStan
+
+on:
+  push:
+  pull_request:
+  workflow_dispatch: {}
+
+jobs:
+  phpstan:
+    name: 'PHPStan'
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v6
+
+      - name: Install PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: '8.3'
+          coverage: none
+
+      - name: Install Composer dependencies
+        uses: "ramsey/composer-install@v4"
+
+      - name: Run PHPStan
+        run: vendor/bin/phpstan analyse --memory-limit=2048M --no-progress --error-format=github