diff --git a/skeleton/ibexa-ee/composer.json b/skeleton/ibexa-ee/composer.json
index db85be5..b51b9a1 100644
--- a/skeleton/ibexa-ee/composer.json
+++ b/skeleton/ibexa-ee/composer.json
@@ -25,6 +25,7 @@
     "require-dev": {
         "ibexa/behat": "~5.0.x-dev",
         "ibexa/code-style": "~2.0.0",
+        "ibexa/phpstan": "~5.0.x-dev",
         "phpstan/phpstan": "^1.10",
         "phpstan/phpstan-phpunit": "^1.3",
         "phpstan/phpstan-symfony": "^1.3",
diff --git a/skeleton/ibexa-ee/phpstan.neon b/skeleton/ibexa-ee/phpstan.neon
index 3756f56..2739a89 100644
--- a/skeleton/ibexa-ee/phpstan.neon
+++ b/skeleton/ibexa-ee/phpstan.neon
@@ -1,6 +1,7 @@
 includes:
     - vendor/phpstan/phpstan-phpunit/extension.neon
     - vendor/phpstan/phpstan-symfony/extension.neon
+    - vendor/ibexa/phpstan/extension.neon
 
 parameters:
     level: 8
diff --git a/skeleton/ibexa-oss/composer.json b/skeleton/ibexa-oss/composer.json
index 115c4c8..2c80e10 100644
--- a/skeleton/ibexa-oss/composer.json
+++ b/skeleton/ibexa-oss/composer.json
@@ -19,6 +19,7 @@
     "require-dev": {
         "ibexa/behat": "~5.0.x-dev",
         "ibexa/code-style": "~2.0.0",
+        "ibexa/phpstan": "~5.0.x-dev",
         "phpstan/phpstan": "^1.10",
         "phpstan/phpstan-phpunit": "^1.3",
         "phpstan/phpstan-symfony": "^1.3",
diff --git a/skeleton/ibexa-oss/phpstan.neon b/skeleton/ibexa-oss/phpstan.neon
index 3756f56..2739a89 100644
--- a/skeleton/ibexa-oss/phpstan.neon
+++ b/skeleton/ibexa-oss/phpstan.neon
@@ -1,6 +1,7 @@
 includes:
     - vendor/phpstan/phpstan-phpunit/extension.neon
     - vendor/phpstan/phpstan-symfony/extension.neon
+    - vendor/ibexa/phpstan/extension.neon
 
 parameters:
     level: 8