diff --git a/composer.json b/composer.json
index b07996a..e95b7f1 100644
--- a/composer.json
+++ b/composer.json
@@ -66,7 +66,7 @@
         "ergebnis/composer-normalize": "^2.23",
         "jetbrains/phpstorm-attributes": "^1.0",
         "phpmd/phpmd": "^2.11",
-        "phpstan/phpstan": "^0.12",
+        "phpstan/phpstan": "^1.5",
         "phpunit/phpunit": "^9.5"
     },
     "suggest": {
diff --git a/src/App.php b/src/App.php
index ff7a156..2a48b7b 100644
--- a/src/App.php
+++ b/src/App.php
@@ -54,7 +54,7 @@
 class App
 {
     /**
-     * @var array<string,array>
+     * @var array<string,array<string,mixed>>
      */
     protected static array $services = [];
     protected static bool $isRunning = false;
@@ -929,6 +929,7 @@ protected static function setSession(string $instance) : Session
                 $logger
             );
         }
+        // @phpstan-ignore-next-line
         $service = new Session($config['options'] ?? [], $saveHandler ?? null);
         if (isset($config['auto_start']) && $config['auto_start'] === true) {
             $service->start();
diff --git a/src/Controller.php b/src/Controller.php
index a6bde62..4b57d62 100644
--- a/src/Controller.php
+++ b/src/Controller.php
@@ -63,7 +63,7 @@ public function __construct(Request $request, Response $response)
         $this->request = $request;
         $this->response = $response;
         if (isset($this->modelClass)) {
-            $this->model = new $this->modelClass();
+            $this->model = new $this->modelClass(); // @phpstan-ignore-line
         }
     }
 
@@ -88,7 +88,7 @@ protected function render(
      * Validate data.
      *
      * @param array<string,mixed> $data The data to be validated
-     * @param array<string,array|string> $rules An associative array with field
+     * @param array<string,array<string>|string> $rules An associative array with field
      * as keys and values as rules
      * @param array<string,string> $labels An associative array with fields as
      * keys and label as values
diff --git a/src/Debug/ViewCollector.php b/src/Debug/ViewCollector.php
index 7b4a56c..b7ea9f1 100644
--- a/src/Debug/ViewCollector.php
+++ b/src/Debug/ViewCollector.php
@@ -41,7 +41,7 @@ public function getActivities() : array
             $activities[] = [
                 'collector' => $this->getName(),
                 'class' => static::class,
-                'description' => 'Render view ' . $index + 1,
+                'description' => 'Render view ' . ($index + 1),
                 'start' => $data['start'],
                 'end' => $data['end'],
             ];
diff --git a/src/Model.php b/src/Model.php
index cd898ac..f7469b5 100644
--- a/src/Model.php
+++ b/src/Model.php
@@ -122,7 +122,7 @@ abstract class Model implements ModelInterface
      *
      * @see Validation::setRules
      *
-     * @var array<string,array|string>
+     * @var array<string,array<string>|string>
      */
     protected array $validationRules;
     /**
@@ -335,7 +335,7 @@ protected function makePageLimitAndOffset(int $page, int $perPage = 10) : array
      * @param int $page The current page
      * @param int $perPage Items per page
      *
-     * @return array<int,array|Entity|stdClass>
+     * @return array<int,array<mixed>|Entity|stdClass>
      */
     public function paginate(int $page, int $perPage = 10) : array
     {
@@ -442,7 +442,7 @@ protected function makeEntity(array $data) : array | Entity | stdClass
         if ($returnType === 'object' || $returnType === 'stdClass') {
             return (object) $data;
         }
-        return new $returnType($data);
+        return new $returnType($data); // @phpstan-ignore-line
     }
 
     /**
@@ -669,7 +669,7 @@ public function getValidationMessages() : array
     }
 
     /**
-     * @return array<string,array|string>
+     * @return array<string,array<string>|string>
      */
     protected function getValidationRules() : array
     {
diff --git a/src/View.php b/src/View.php
index 42f8c1f..bdd56a9 100644
--- a/src/View.php
+++ b/src/View.php
@@ -282,7 +282,7 @@ public function renderBlock(string $name) : ?string
             $trace = \debug_backtrace()[0];
             \trigger_error(
                 'Trying to render block "' . $name . '" that is not set in '
-                . $trace['file'] . ' on  line ' . $trace['line'],
+                . $trace['file'] . ' on  line ' . $trace['line'], // @phpstan-ignore-line
                 \E_USER_WARNING
             );
         }
@@ -300,7 +300,7 @@ public function removeBlock(string $name) : static
             $trace = \debug_backtrace()[0];
             \trigger_error(
                 'Trying to remove block "' . $name . '" that is not set in '
-                . $trace['file'] . ' on  line ' . $trace['line'],
+                . $trace['file'] . ' on  line ' . $trace['line'], // @phpstan-ignore-line
                 \E_USER_WARNING
             );
         }
diff --git a/tests/LanguagesTest.php b/tests/LanguagesTest.php
index 85a2352..1cdcab5 100644
--- a/tests/LanguagesTest.php
+++ b/tests/LanguagesTest.php
@@ -25,6 +25,7 @@ final class LanguagesTest extends TestCase
      */
     protected function getCodes() : array
     {
+        // @phpstan-ignore-next-line
         $codes = \array_filter((array) \glob($this->langDir . '*'), 'is_dir');
         $length = \strlen($this->langDir);
         $result = [];
@@ -53,7 +54,7 @@ public function testKeys(array $rules, string $file) : void
     }
 
     /**
-     * @return array<string,array>
+     * @return array<string,array<mixed>>
      */
     public function languageProvider() : array
     {