diff --git a/.github/workflows/code-style.yml b/.github/workflows/code-style.yml
index f60726f..cd20188 100644
--- a/.github/workflows/code-style.yml
+++ b/.github/workflows/code-style.yml
@@ -17,7 +17,7 @@ jobs:
       - name: Install PHP
         uses: shivammathur/setup-php@v2
         with:
-          php-version: 8.0
+          php-version: 8.1
           tools: composer
           # Specific versions of extensions available on PECL can be set up by suffixing the extension's name with the version.
           # https://github.com/shivammathur/setup-php?tab=readme-ov-file#heavy_plus_sign-php-extension-support
@@ -29,4 +29,4 @@ jobs:
         run: composer update
 
       - name: Run php-cs-fixer
-        run: ./vendor/bin/php-cs-fixer fix --dry-run --diff .
\ No newline at end of file
+        run: ./vendor/bin/php-cs-fixer fix --dry-run --diff .
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index c6328c7..09910e3 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -32,7 +32,6 @@ jobs:
       fail-fast: false
       matrix:
         php-version:
-          - "8.0"
           - "8.1"
           - "8.2"
           - "8.3"
@@ -65,7 +64,7 @@ jobs:
 
       # https://github.com/php-coveralls/php-coveralls#github-actions
       - name: Upload coverage results to Coveralls
-        if: ${{ matrix.php-version == '8.0' }}
+        if: ${{ matrix.php-version == '8.1' }}
         env:
           COVERALLS_REPO_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
diff --git a/README.md b/README.md
index c1f3f79..2291c73 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ Ganesha is PHP implementation of [Circuit Breaker pattern](http://martinfowler.c
 
 ![ganesha](https://ackintosh.github.io/assets/images/ganesha.png)
 
-[![Latest Stable Version](https://img.shields.io/packagist/v/ackintosh/ganesha.svg?style=flat-square)](https://packagist.org/packages/ackintosh/ganesha) [![Tests](https://github.com/ackintosh/ganesha/workflows/Tests/badge.svg)](https://github.com/ackintosh/ganesha/actions) [![Coverage Status](https://coveralls.io/repos/github/ackintosh/ganesha/badge.svg?branch=master)](https://coveralls.io/github/ackintosh/ganesha?branch=master) [![Scrutinizer Code Quality](https://scrutinizer-ci.com/g/ackintosh/ganesha/badges/quality-score.png?b=master)](https://scrutinizer-ci.com/g/ackintosh/ganesha/?branch=master) [![Minimum PHP Version](https://img.shields.io/badge/php-%3E%3D%208.0-8892BF.svg?style=flat-square)](https://php.net/)
+[![Latest Stable Version](https://img.shields.io/packagist/v/ackintosh/ganesha.svg?style=flat-square)](https://packagist.org/packages/ackintosh/ganesha) [![Tests](https://github.com/ackintosh/ganesha/workflows/Tests/badge.svg)](https://github.com/ackintosh/ganesha/actions) [![Coverage Status](https://coveralls.io/repos/github/ackintosh/ganesha/badge.svg?branch=master)](https://coveralls.io/github/ackintosh/ganesha?branch=master) [![Scrutinizer Code Quality](https://scrutinizer-ci.com/g/ackintosh/ganesha/badges/quality-score.png?b=master)](https://scrutinizer-ci.com/g/ackintosh/ganesha/?branch=master) [![Minimum PHP Version](https://img.shields.io/badge/php-%3E%3D%208.1-8892BF.svg?style=flat-square)](https://php.net/)
 
 </div>
 
diff --git a/composer.json b/composer.json
index 31bbb8b..d9bb20e 100644
--- a/composer.json
+++ b/composer.json
@@ -13,11 +13,11 @@
   "repositories": [
     {
       "type": "git",
-      "url": "https://github.com/kornrunner/phpunit-testlistener-vcr"
+      "url": "https://github.com/marmichalski/phpunit-testlistener-vcr"
     }
   ],
   "require": {
-    "php": ">=8.0",
+    "php": "^8.1",
     "psr/http-message": "^1.0|^2.0"
   },
   "suggest": {
@@ -28,11 +28,11 @@
     "ext-mongodb": "Allows the usage of MongoDBAdapter"
   },
   "require-dev": {
-    "phpunit/phpunit": "^9.5.10",
+    "phpunit/phpunit": "^10.5.41",
     "symfony/http-client": "^5.3.12|^6.0",
     "symfony/yaml": "^3.0|^4.0|^5.0|^6.0",
-    "php-vcr/php-vcr": "^1.4.5",
-    "php-vcr/phpunit-testlistener-vcr": "dev-php8 as 3.2.2",
+    "php-vcr/php-vcr": "dev-master#c0aeeba0f3804fcfdb9cd6b390b0cb3be250c070 as 1.9.0",
+    "php-vcr/phpunit-testlistener-vcr": "dev-phpunit-evt-system",
     "php-coveralls/php-coveralls": "~2.5",
     "predis/predis": "^1.1",
     "guzzlehttp/guzzle": "^7.4.5",
diff --git a/docker-compose.yml b/docker-compose.yml
index e9031a2..77207df 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,7 +1,7 @@
 version: '2'
 services:
   server:
-    image: php:8.0-apache
+    image: php:8.1-apache
     container_name: server
     volumes:
       - ./examples:/var/www/html
diff --git a/examples/client/Dockerfile b/examples/client/Dockerfile
index 1d7a263..093628b 100644
--- a/examples/client/Dockerfile
+++ b/examples/client/Dockerfile
@@ -1,4 +1,4 @@
-FROM php:8.0-cli
+FROM php:8.1-cli
 
 COPY install_composer.sh /tmp/
 
diff --git a/phpunit.xml b/phpunit.xml
index 75e2f21..a1c3cb5 100644
--- a/phpunit.xml
+++ b/phpunit.xml
@@ -1,9 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" bootstrap="tests/bootstrap.php" colors="true" xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd">
-  <coverage processUncoveredFiles="true">
-    <include>
-      <directory suffix=".php">./src</directory>
-    </include>
+<phpunit
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:noNamespaceSchemaLocation="vendor/phpunit/phpunit/phpunit.xsd"
+  bootstrap="tests/bootstrap.php"
+  colors="true"
+>
+  <coverage>
     <report>
       <!-- https://github.com/php-coveralls/php-coveralls#phpunit -->
       <clover outputFile="build/logs/clover.xml"/>
@@ -16,7 +18,12 @@
     </testsuite>
   </testsuites>
   <logging/>
-  <listeners>
-    <listener class="VCR\PHPUnit\TestListener\VCRTestListener" file="vendor/php-vcr/phpunit-testlistener-vcr/src/VCRTestListener.php"/>
-  </listeners>
+  <source>
+    <include>
+      <directory suffix=".php">./src</directory>
+    </include>
+  </source>
+  <extensions>
+    <bootstrap class="VCR\PHPUnit\TestListener\Extension\VCRExtension" />
+  </extensions>
 </phpunit>
diff --git a/tests/Ackintosh/Ganesha/Storage/Adapter/AbstractRedisTest.php b/tests/Ackintosh/Ganesha/Storage/Adapter/AbstractRedisSpec.php
similarity index 99%
rename from tests/Ackintosh/Ganesha/Storage/Adapter/AbstractRedisTest.php
rename to tests/Ackintosh/Ganesha/Storage/Adapter/AbstractRedisSpec.php
index 98f56fb..ff12cec 100644
--- a/tests/Ackintosh/Ganesha/Storage/Adapter/AbstractRedisTest.php
+++ b/tests/Ackintosh/Ganesha/Storage/Adapter/AbstractRedisSpec.php
@@ -8,7 +8,7 @@
 use PHPUnit\Framework\MockObject\MockObject;
 use PHPUnit\Framework\TestCase;
 
-abstract class AbstractRedisTest extends TestCase
+abstract class AbstractRedisSpec extends TestCase
 {
     /**
      * @var int
diff --git a/tests/Ackintosh/Ganesha/Storage/Adapter/ApcuStoreTest.php b/tests/Ackintosh/Ganesha/Storage/Adapter/ApcuStoreTest.php
index 996fafa..820f1d1 100644
--- a/tests/Ackintosh/Ganesha/Storage/Adapter/ApcuStoreTest.php
+++ b/tests/Ackintosh/Ganesha/Storage/Adapter/ApcuStoreTest.php
@@ -22,7 +22,7 @@ protected function tearDown(): void
      */
     public function test_dec()
     {
-        $key = $this->getName();
+        $key = $this->name();
         $store = new ApcuStore();
 
         $this->assertSame(-1, $store->dec($key));
@@ -37,7 +37,7 @@ public function test_dec()
      */
     public function test_delete()
     {
-        $key = $this->getName();
+        $key = $this->name();
         $value = __METHOD__;
         $store = new ApcuStore();
 
@@ -52,7 +52,7 @@ public function test_delete()
      */
     public function test_exists()
     {
-        $key = $this->getName();
+        $key = $this->name();
         $value = __METHOD__;
         $store = new ApcuStore();
 
@@ -67,7 +67,7 @@ public function test_exists()
      */
     public function test_fetch()
     {
-        $key = $this->getName();
+        $key = $this->name();
         $value = __METHOD__;
         $store = new ApcuStore();
 
@@ -88,7 +88,7 @@ public function test_fetch()
      */
     public function test_inc()
     {
-        $key = $this->getName();
+        $key = $this->name();
         $store = new ApcuStore();
 
         $this->assertSame(1, $store->inc($key));
@@ -103,7 +103,7 @@ public function test_inc()
      */
     public function test_store()
     {
-        $key = $this->getName();
+        $key = $this->name();
         $value = __METHOD__;
         $store = new ApcuStore();
 
@@ -130,7 +130,7 @@ public function provide_getIterator()
      */
     public function test_getIterator(?string $pattern, int $expectCount)
     {
-        $name = $this->getName();
+        $name = $this->name();
         $keys = array_map(
             function ($index) use ($name) {
                 return sprintf('%s %d', $name, $index);
diff --git a/tests/Ackintosh/Ganesha/Storage/Adapter/ApcuTest.php b/tests/Ackintosh/Ganesha/Storage/Adapter/ApcuTest.php
index c6bf0c6..5f236e9 100644
--- a/tests/Ackintosh/Ganesha/Storage/Adapter/ApcuTest.php
+++ b/tests/Ackintosh/Ganesha/Storage/Adapter/ApcuTest.php
@@ -690,7 +690,7 @@ private function getConfiguration(?StorageKeysInterface $storageKeys = null)
 
     private function getStorageKeys()
     {
-        $storageKeys = $this->getMockForAbstractClass(StorageKeysInterface::class);
+        $storageKeys = $this->createMock(StorageKeysInterface::class);
         $storageKeys->method('prefix')->willReturn('ganesha_');
         $storageKeys->method('success')->willReturn('_success');
         $storageKeys->method('failure')->willReturn('_failure');
@@ -702,16 +702,16 @@ private function getStorageKeys()
 
     private function getSuccessKey()
     {
-        return sprintf('ganesha_%s_success', $this->getName());
+        return sprintf('ganesha_%s_success', $this->name());
     }
 
     private function getLastFailureTimeKey()
     {
-        return sprintf('ganesha_%s_last_failure_time', $this->getName());
+        return sprintf('ganesha_%s_last_failure_time', $this->name());
     }
 
     private function getStatusKey()
     {
-        return sprintf('ganesha_%s_status', $this->getName());
+        return sprintf('ganesha_%s_status', $this->name());
     }
 }
diff --git a/tests/Ackintosh/Ganesha/Storage/Adapter/MemcachedTest.php b/tests/Ackintosh/Ganesha/Storage/Adapter/MemcachedTest.php
index 232b9b1..4716409 100644
--- a/tests/Ackintosh/Ganesha/Storage/Adapter/MemcachedTest.php
+++ b/tests/Ackintosh/Ganesha/Storage/Adapter/MemcachedTest.php
@@ -90,7 +90,7 @@ public function saveAndLoad()
     public function loadThrowsException()
     {
         $m = $this->getMockBuilder(\Memcached::class)
-            ->setMethods(['getResultCode'])
+            ->onlyMethods(['getResultCode'])
             ->getMock();
         $m->expects($this->once())
             ->method('getResultCode')
@@ -109,7 +109,7 @@ public function loadThrowsException()
     public function saveThrowsException()
     {
         $m = $this->getMockBuilder(\Memcached::class)
-            ->setMethods(['set'])
+            ->onlyMethods(['set'])
             ->getMock();
         $m->expects($this->once())
             ->method('set')
@@ -141,7 +141,7 @@ public function increment()
     public function incrementThrowsException()
     {
         $m = $this->getMockBuilder(\Memcached::class)
-            ->setMethods(['increment'])
+            ->onlyMethods(['increment'])
             ->getMock();
         $m->expects($this->once())
             ->method('increment')
@@ -179,7 +179,7 @@ public function decrement()
     public function decrementThrowsException()
     {
         $m = $this->getMockBuilder(\Memcached::class)
-            ->setMethods(['decrement'])
+            ->onlyMethods(['decrement'])
             ->getMock();
         $m->expects($this->once())
             ->method('decrement')
@@ -210,7 +210,7 @@ public function saveAndLoadLastFailureTime()
     public function saveLastFailureTimeThrowsException()
     {
         $m = $this->getMockBuilder(\Memcached::class)
-            ->setMethods(['set'])
+            ->onlyMethods(['set'])
             ->getMock();
         $m->expects($this->once())
             ->method('set')
@@ -229,7 +229,7 @@ public function saveLastFailureTimeThrowsException()
     public function loadLastFailureTimeThrowsException()
     {
         $m = $this->getMockBuilder(\Memcached::class)
-            ->setMethods(['getResultCode'])
+            ->onlyMethods(['getResultCode'])
             ->getMock();
         $m->expects($this->once())
             ->method('getResultCode')
@@ -260,7 +260,7 @@ public function saveAndLoadStatus()
     public function saveStatusThrowsException()
     {
         $m = $this->getMockBuilder(\Memcached::class)
-            ->setMethods(['set'])
+            ->onlyMethods(['set'])
             ->getMock();
         $m->expects($this->once())
             ->method('set')
@@ -279,7 +279,7 @@ public function saveStatusThrowsException()
     public function loadStatusThrowsException()
     {
         $m = $this->getMockBuilder(\Memcached::class)
-            ->setMethods(['getResultCode'])
+            ->onlyMethods(['getResultCode'])
             ->getMock();
         $m->expects($this->once())
             ->method('getResultCode')
@@ -299,7 +299,7 @@ public function loadStatusThrowsException()
     public function resetWillDoNothingIfNoDataExists()
     {
         $m = $this->getMockBuilder(\Memcached::class)
-            ->setMethods(['getStats', 'getAllKeys', 'getResultCode'])
+            ->onlyMethods(['getStats', 'getAllKeys', 'getResultCode'])
             ->getMock();
         $m->expects($this->once())
             ->method('getStats')
@@ -325,7 +325,7 @@ public function resetWillDoNothingIfNoDataExists()
     public function resetThrowsExceptionWhenFailedToGetStats()
     {
         $m = $this->getMockBuilder(\Memcached::class)
-            ->setMethods(['getStats'])
+            ->onlyMethods(['getStats'])
             ->getMock();
         $m->expects($this->once())
             ->method('getStats')
@@ -346,7 +346,7 @@ public function resetThrowsExceptionWhenFailedToGetStats()
     public function resetThrowsExceptionWhenFailedToGetAllKeys()
     {
         $m = $this->getMockBuilder(\Memcached::class)
-            ->setMethods(['getStats', 'getAllKeys', 'getResultCode'])
+            ->onlyMethods(['getStats', 'getAllKeys', 'getResultCode'])
             ->getMock();
         $m->expects($this->once())
             ->method('getStats')
diff --git a/tests/Ackintosh/Ganesha/Storage/Adapter/PredisRedisTest.php b/tests/Ackintosh/Ganesha/Storage/Adapter/PredisRedisTest.php
index 04d4d3a..d2040fa 100644
--- a/tests/Ackintosh/Ganesha/Storage/Adapter/PredisRedisTest.php
+++ b/tests/Ackintosh/Ganesha/Storage/Adapter/PredisRedisTest.php
@@ -5,7 +5,7 @@
 use Predis\Client;
 use Predis\ClientInterface;
 
-class PredisRedisTest extends AbstractRedisTest
+class PredisRedisTest extends AbstractRedisSpec
 {
     protected function getRedisConnection(): ClientInterface
     {
diff --git a/tests/Ackintosh/Ganesha/Storage/Adapter/RedisArrayTest.php b/tests/Ackintosh/Ganesha/Storage/Adapter/RedisArrayTest.php
index cbbb66a..d06782a 100644
--- a/tests/Ackintosh/Ganesha/Storage/Adapter/RedisArrayTest.php
+++ b/tests/Ackintosh/Ganesha/Storage/Adapter/RedisArrayTest.php
@@ -4,7 +4,7 @@
 
 use RedisArray;
 
-class RedisArrayTest extends AbstractRedisTest
+class RedisArrayTest extends AbstractRedisSpec
 {
     /**
      * @return RedisArray
diff --git a/tests/Ackintosh/Ganesha/Storage/Adapter/RedisRedisTest.php b/tests/Ackintosh/Ganesha/Storage/Adapter/RedisRedisTest.php
index a5a7a5c..c47bd67 100644
--- a/tests/Ackintosh/Ganesha/Storage/Adapter/RedisRedisTest.php
+++ b/tests/Ackintosh/Ganesha/Storage/Adapter/RedisRedisTest.php
@@ -2,7 +2,7 @@
 
 namespace Ackintosh\Ganesha\Storage\Adapter;
 
-class RedisRedisTest extends AbstractRedisTest
+class RedisRedisTest extends AbstractRedisSpec
 {
     /**
      * @return \Redis
diff --git a/tests/Ackintosh/Ganesha/Storage/Adapter/RedisStoreTest.php b/tests/Ackintosh/Ganesha/Storage/Adapter/RedisStoreTest.php
index b08859f..c9ec301 100644
--- a/tests/Ackintosh/Ganesha/Storage/Adapter/RedisStoreTest.php
+++ b/tests/Ackintosh/Ganesha/Storage/Adapter/RedisStoreTest.php
@@ -24,7 +24,7 @@ public function zCardThrowsExceptionIfFailed()
         $this->expectException(\Ackintosh\Ganesha\Exception\StorageException::class);
 
         $mock = $this->getMockBuilder(\Redis::class)
-            ->setMethods(['zCard'])
+            ->onlyMethods(['zCard'])
             ->getMock();
         $mock->expects($this->any())
             ->method('zCard')
diff --git a/tests/Ackintosh/GaneshaTest.php b/tests/Ackintosh/GaneshaTest.php
index 6ae5662..8e02f19 100644
--- a/tests/Ackintosh/GaneshaTest.php
+++ b/tests/Ackintosh/GaneshaTest.php
@@ -66,26 +66,24 @@ public function recordsSuccessAndClose()
     /**
      * @test
      */
-    public function notifyTripped()
+    public function tripsOnce()
     {
-        $ganesha = $this->buildGanesha(
-            2,
-            10
-        );
+        $ganesha = $this->buildGanesha(2, 10);
 
-        $receiver = $this->getMockBuilder('\stdClass')
-            ->setMethods(['receive'])
-            ->getMock();
-        $receiver->expects($this->once())
-            ->method('receive')
-            ->with(Ganesha::EVENT_TRIPPED, $this->service, '');
+        $calledTimes = 0;
 
-        $ganesha->subscribe(function ($event, $service, $message) use ($receiver) {
-            $receiver->receive($event, $service, $message);
+        $ganesha->subscribe(function ($event, $service, $message) use (&$calledTimes) {
+            $this->assertSame(Ganesha::EVENT_TRIPPED, $event);
+            $this->assertSame($this->service, $service);
+            $this->assertSame('', $message);
+
+            ++$calledTimes;
         });
 
         $ganesha->failure($this->service);
         $ganesha->failure($this->service);
+
+        $this->assertSame(1, $calledTimes);
     }