diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 13dee97a42..f7669c3157 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -45,5 +45,8 @@ jobs:
       - name: Run code style check
         run: composer run-script check-cs -- --format=checkstyle | cs2pr
 
+      - name: Run PHPStan analysis
+        run: composer run-script phpstan
+
       - name: Run test suite
         run: composer run-script --timeout=600 test
diff --git a/composer.json b/composer.json
index 7f43af59c3..6632d47787 100644
--- a/composer.json
+++ b/composer.json
@@ -55,12 +55,14 @@
         "phpunit/phpunit": "^8.1",
         "matthiasnoback/symfony-dependency-injection-test": "^4.0",
         "ezsystems/doctrine-dbal-schema": "^1.0@dev",
-        "ezsystems/ezplatform-code-style": "^1.0"
+        "ezsystems/ezplatform-code-style": "^1.0",
+        "phpstan/phpstan": "^0.12.99"
     },
     "scripts": {
         "fix-cs": "php-cs-fixer fix --config=.php-cs-fixer.php --show-progress=dots",
         "check-cs": "@fix-cs --dry-run",
-        "test": "phpunit -c phpunit.xml"
+        "test": "phpunit -c phpunit.xml",
+        "phpstan": "phpstan analyse -c phpstan.neon"
     },
     "extra": {
         "branch-alias": {
diff --git a/phpstan.neon b/phpstan.neon
new file mode 100644
index 0000000000..35123d6cc1
--- /dev/null
+++ b/phpstan.neon
@@ -0,0 +1,4 @@
+parameters:
+    level: 0
+    paths:
+        - src