diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 9832cf9..44dea79 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -7,19 +7,11 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        php: [7.4, 8.0, 8.1]
+        php: [8.2]
         include:
-          - php: 7.4
-            testbench: 6.0
-            phpunit: 9.5
-
-          - php: 8.0
-            testbench: 7.0
-            phpunit: 9.5
-
-          - php: 8.1
-            testbench: 8.0
-            phpunit: 9.5
+          - php: 8.2
+            testbench: 9.0
+            phpunit: 11.0
     steps:
       - name: Checkout code
         uses: actions/checkout@v2
diff --git a/README.md b/README.md
index 970e4bb..fed3acf 100644
--- a/README.md
+++ b/README.md
@@ -27,9 +27,11 @@ The official PHP Elasticsearch client integrated with Laravel.
 
 The current version of Elastic Client has been tested with the following configuration:
 
-* PHP 7.4-8.x
+* PHP 8.2
 * Elasticsearch 8.x 
-* Laravel 6.x-10.x
+* Laravel 11.x
+
+If your project uses older Laravel (or PHP) version check [the previous major version](https://github.com/babenkoivan/elastic-client/tree/v2.1.0#compatibility) of the package.
 
 ## Installation
 
diff --git a/composer.json b/composer.json
index a104212..a67705a 100644
--- a/composer.json
+++ b/composer.json
@@ -41,8 +41,8 @@
         "elasticsearch/elasticsearch": "^8.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "^9.5",
-        "orchestra/testbench": "^8.0",
+        "phpunit/phpunit": "^11.0",
+        "orchestra/testbench": "^9.0",
         "friendsofphp/php-cs-fixer": "^3.14",
         "phpstan/phpstan": "^1.10"
     },
diff --git a/phpstan.neon.dist b/phpstan.neon.dist
index 9198b58..a1c637a 100644
--- a/phpstan.neon.dist
+++ b/phpstan.neon.dist
@@ -1,6 +1,4 @@
 parameters:
   level: max
-  checkMissingIterableValueType: false
-  checkGenericClassInNonGenericObjectType: false
   paths:
     - src
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index 1aa1dea..efe3f50 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -1,25 +1,24 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
+         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/11.1/phpunit.xsd"
          bootstrap="vendor/autoload.php"
          executionOrder="depends,defects"
-         forceCoversAnnotation="true"
-         beStrictAboutCoversAnnotation="true"
          beStrictAboutOutputDuringTests="true"
-         beStrictAboutTodoAnnotatedTests="true"
-         verbose="true"
-         colors="true">
-    <coverage processUncoveredFiles="true">
+         colors="true"
+         cacheDirectory=".phpunit.cache"
+         requireCoverageMetadata="true"
+         beStrictAboutCoverageMetadata="true">
+    <testsuites>
+        <testsuite name="unit">
+            <directory suffix="Test.php">tests/Unit</directory>
+        </testsuite>
+    </testsuites>
+    <source>
         <include>
             <directory suffix=".php">src</directory>
         </include>
         <exclude>
             <file>src/ServiceProvider.php</file>
         </exclude>
-    </coverage>
-    <testsuites>
-        <testsuite name="unit">
-            <directory suffix="Test.php">tests/Unit</directory>
-        </testsuite>
-    </testsuites>
+    </source>
 </phpunit>
diff --git a/src/ClientBuilder.php b/src/ClientBuilder.php
index 3868a43..ea78668 100644
--- a/src/ClientBuilder.php
+++ b/src/ClientBuilder.php
@@ -2,12 +2,16 @@
 
 namespace Elastic\Client;
 
+use Elastic\Elasticsearch\Client;
 use Elastic\Elasticsearch\ClientBuilder as BaseClientBuilder;
 use Elastic\Elasticsearch\ClientInterface;
 use ErrorException;
 
 class ClientBuilder implements ClientBuilderInterface
 {
+    /**
+     * @var array<string, Client>
+     */
     protected array $cache;
 
     public function default(): ClientInterface
diff --git a/tests/Unit/ClientBuilderTest.php b/tests/Unit/ClientBuilderTest.php
index c2c6e14..97ca504 100644
--- a/tests/Unit/ClientBuilderTest.php
+++ b/tests/Unit/ClientBuilderTest.php
@@ -6,10 +6,9 @@
 use Elastic\Elasticsearch\ClientInterface;
 use ErrorException;
 use Orchestra\Testbench\TestCase;
+use PHPUnit\Framework\Attributes\CoversClass;
 
-/**
- * @covers \Elastic\Client\ClientBuilder
- */
+#[CoversClass(ClientBuilder::class)]
 final class ClientBuilderTest extends TestCase
 {
     private ClientBuilder $clientBuilder;