diff --git a/composer.json b/composer.json
index 11ef1e8..015137e 100644
--- a/composer.json
+++ b/composer.json
@@ -10,7 +10,7 @@
         }
     ],
     "require": {
-        "vitexsoftware/ease-core": ">= 1.44"
+        "vitexsoftware/ease-core": "^1.45"
     },
     "autoload": {
         "psr-4": {
diff --git a/src/Ease/Container.php b/src/Ease/Container.php
index 8ad4a49..6393d9f 100644
--- a/src/Ease/Container.php
+++ b/src/Ease/Container.php
@@ -137,7 +137,9 @@ public function getFirstPart()
     /**
      * Insert an array of elements.
      *
-     * @param array $itemes value field or EaseObject with draw () method
+     * @param array<mixed> $itemes value field or EaseObject with draw () method
+     *
+     * @return array<mixed> inserted items
      */
     public function addItems(array $itemes): array
     {
diff --git a/tests/Bootstrap.php b/tests/Bootstrap.php
index e902406..06111f9 100644
--- a/tests/Bootstrap.php
+++ b/tests/Bootstrap.php
@@ -15,7 +15,7 @@
 
 require_once __DIR__.'/../vendor/autoload.php';
 
-if ((\PHP_SAPI !== 'cli') && (session_status() === 'PHP_SESSION_NONE')) {
+if ((\PHP_SAPI !== 'cli') && (session_status() === \PHP_SESSION_NONE)) {
     session_start();
 } else {
     $_SESSION = [];
@@ -26,4 +26,4 @@
 
 \Ease\Locale::singleton('cs_CZ');
 // \Ease\Shared::webPage(new \Ease\WebPage());
-\Ease\Shared::user(\Ease\User::singleton(null, '\Ease\User'));
+\Ease\Shared::user(new \Ease\User);