diff --git a/.gitattributes b/.gitattributes
index b7404a3..9365305 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,7 +1,7 @@
 /.github            export-ignore
 /.gitattributes     export-ignore
 /.gitignore         export-ignore
-/phpunit.xml.dist   export-ignore
+/testo.php          export-ignore
 /tests              export-ignore
 /.editorconfig      export-ignore
 /.php_cs.dist.php   export-ignore
diff --git a/.github/workflows/phpunit.yml b/.github/workflows/phpunit.yml
deleted file mode 100644
index 3b86822..0000000
--- a/.github/workflows/phpunit.yml
+++ /dev/null
@@ -1,16 +0,0 @@
-on:
-  pull_request: null
-  push:
-    branches:
-      - '*.*'
-
-name: phpunit
-
-jobs:
-  phpunit:
-    uses: spiral/gh-actions/.github/workflows/phpunit.yml@master
-    with:
-      os: >-
-        ['ubuntu-latest']
-      stability: >-
-        ['prefer-lowest', 'prefer-stable']
diff --git a/.github/workflows/psalm.yml b/.github/workflows/psalm.yml
index eea1d20..901c593 100644
--- a/.github/workflows/psalm.yml
+++ b/.github/workflows/psalm.yml
@@ -2,7 +2,7 @@ on:
   pull_request: null
   push:
     branches:
-      - '*.*'
+      - '1.x'
 
 name: static analysis
 
diff --git a/.github/workflows/testo.yml b/.github/workflows/testo.yml
new file mode 100644
index 0000000..174bb5a
--- /dev/null
+++ b/.github/workflows/testo.yml
@@ -0,0 +1,16 @@
+on:
+  pull_request: null
+  push:
+    branches:
+      - '1.x'
+
+name: testo
+
+jobs:
+  testo:
+    uses: spiral/gh-actions/.github/workflows/testo.yml@master
+    with:
+      os: >-
+        ['ubuntu-latest']
+      dependencies: >-
+        ['lowest', 'highest']
diff --git a/.gitignore b/.gitignore
index 1a6ed30..78d21b7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,7 +1,6 @@
 .idea
 .php_cs
 .php_cs.cache
-.phpunit.result.cache
 build
 composer.lock
 coverage
diff --git a/README.md b/README.md
index 1e078c5..e868ff4 100644
--- a/README.md
+++ b/README.md
@@ -29,7 +29,7 @@ processes connected to the RoadRunner server.
 
 Make sure that your server is configured with following PHP version and extensions:
 
-- PHP 8.1+
+- PHP 8.2+
 
 ### Installation
 
diff --git a/composer.json b/composer.json
index 02bff03..1a8b7da 100644
--- a/composer.json
+++ b/composer.json
@@ -44,15 +44,16 @@
         }
     ],
     "require": {
-        "php": "^8.1",
+        "php": "^8.2",
         "ramsey/uuid": "^4.7",
         "roadrunner-php/roadrunner-api-dto": "^1.0",
         "spiral/goridge": "^4.0"
     },
     "require-dev": {
-        "mockery/mockery": "^1.5",
-        "phpunit/phpunit": "^10.0",
-        "vimeo/psalm": "^5.9"
+        "mockery/mockery": "^1.6",
+        "testo/bridge-mockery": "^0.1.2",
+        "testo/testo": "^0.10.55",
+        "vimeo/psalm": "^6 || ^7"
     },
     "autoload": {
         "psr-4": {
@@ -65,7 +66,7 @@
         }
     },
     "scripts": {
-        "test": "vendor/bin/phpunit",
+        "test": "vendor/bin/testo",
         "psalm": "vendor/bin/psalm --config=psalm.xml ./src --show-info=true"
     },
     "config": {
diff --git a/phpunit.xml b/phpunit.xml
deleted file mode 100644
index 6b82af7..0000000
--- a/phpunit.xml
+++ /dev/null
@@ -1,34 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.0/phpunit.xsd"
-         backupGlobals="false"
-         bootstrap="vendor/autoload.php"
-         colors="true"
-         processIsolation="false"
-         stopOnFailure="false"
-         executionOrder="random"
-         failOnWarning="true"
-         failOnRisky="true"
-         failOnEmptyTestSuite="true"
-         beStrictAboutOutputDuringTests="true"
-         cacheDirectory=".phpunit.cache"
-         backupStaticProperties="false">
-  <testsuites>
-    <testsuite name="Lock Test Suite">
-      <directory>tests</directory>
-    </testsuite>
-  </testsuites>
-  <coverage>
-    <include>
-      <directory suffix=".php">./src</directory>
-    </include>
-    <report>
-      <html outputDirectory="build/coverage"/>
-      <text outputFile="build/coverage.txt"/>
-      <clover outputFile="build/logs/clover.xml"/>
-    </report>
-  </coverage>
-  <logging>
-    <junit outputFile="build/report.junit.xml"/>
-  </logging>
-</phpunit>
diff --git a/psalm.xml b/psalm.xml
index 7e98f69..e1f086b 100644
--- a/psalm.xml
+++ b/psalm.xml
@@ -13,4 +13,14 @@
             <directory name="vendor" />
         </ignoreFiles>
     </projectFiles>
+    <issueHandlers>
+        <!-- #[\Override] is a PHP 8.3 attribute, the package still supports PHP 8.2 -->
+        <MissingOverrideAttribute errorLevel="suppress" />
+        <!-- int|float TTL multiplied by an int, the product is rounded and cast to int right away -->
+        <InvalidOperand>
+            <errorLevel type="suppress">
+                <file name="src/Lock.php" />
+            </errorLevel>
+        </InvalidOperand>
+    </issueHandlers>
 </psalm>
diff --git a/testo.php b/testo.php
new file mode 100644
index 0000000..1d387a7
--- /dev/null
+++ b/testo.php
@@ -0,0 +1,20 @@
+<?php
+
+declare(strict_types=1);
+
+use Testo\Application\Config\ApplicationConfig;
+use Testo\Application\Config\SuiteConfig;
+use Testo\Bridge\Mockery\MockeryPlugin;
+
+return new ApplicationConfig(
+    src: ['src'],
+    suites: [
+        new SuiteConfig(
+            name: 'Unit',
+            location: ['tests/src'],
+        ),
+    ],
+    plugins: [
+        new MockeryPlugin(),
+    ],
+);
diff --git a/tests/src/LockTest.php b/tests/src/LockTest.php
index 6eb7be1..c8b046c 100644
--- a/tests/src/LockTest.php
+++ b/tests/src/LockTest.php
@@ -12,17 +12,22 @@
 use RoadRunner\Lock\LockIdGeneratorInterface;
 use Spiral\Goridge\RPC\Codec\ProtobufCodec;
 use Spiral\Goridge\RPC\RPCInterface;
-
-final class LockTest extends TestCase
+use Testo\Assert;
+use Testo\Assert\ExpectException;
+use Testo\Data\DataProvider;
+use Testo\Lifecycle\BeforeTest;
+use Testo\Test;
+
+#[Test]
+final class LockTest
 {
     private RPCInterface|MockInterface $rpc;
     private LockIdGeneratorInterface|MockInterface $idGenerator;
     private Lock $lock;
 
+    #[BeforeTest]
     protected function setUp(): void
     {
-        parent::setUp();
-
         $this->rpc = m::mock(RPCInterface::class);
 
         $this->rpc->shouldReceive('withCodec')
@@ -34,9 +39,7 @@ protected function setUp(): void
         $this->lock = new Lock($this->rpc, $this->idGenerator);
     }
 
-    /**
-     * @dataProvider lockTypeDataProvider
-     */
+    #[DataProvider('lockTypeDataProvider')]
     public function testLock(
         string $method,
         string $callMethod,
@@ -69,15 +72,13 @@ public function testLock(
 
         $result = $this->lock->$method(resource: 'resource', id: $id, ttl: $ttl, waitTTL: $wait);
         if ($expectedResult) {
-            $this->assertSame(($id === null ? 'some-id' : $id), $result);
+            Assert::same($result, ($id === null ? 'some-id' : $id));
         } else {
-            $this->assertFalse($result);
+            Assert::false($result);
         }
     }
 
-    /**
-     * @dataProvider resultDataProvider
-     */
+    #[DataProvider('resultDataProvider')]
     public function testRelease(bool $result): void
     {
         $this->rpc->shouldReceive('call')
@@ -90,12 +91,10 @@ public function testRelease(bool $result): void
             })
             ->andReturn(new Response(['ok' => $result]));
 
-        $this->assertSame($result, $this->lock->release('resource', 'some-id'));
+        Assert::same($this->lock->release('resource', 'some-id'), $result);
     }
 
-    /**
-     * @dataProvider resultDataProvider
-     */
+    #[DataProvider('resultDataProvider')]
     public function testForceRelease(bool $result): void
     {
         $this->rpc->shouldReceive('call')
@@ -108,12 +107,10 @@ public function testForceRelease(bool $result): void
             })
             ->andReturn(new Response(['ok' => $result]));
 
-        $this->assertSame($result, $this->lock->forceRelease('resource'));
+        Assert::same($this->lock->forceRelease('resource'), $result);
     }
 
-    /**
-     * @dataProvider resultDataProvider
-     */
+    #[DataProvider('resultDataProvider')]
     public function testExists(bool $result): void
     {
         $this->rpc->shouldReceive('call')
@@ -126,12 +123,10 @@ public function testExists(bool $result): void
             })
             ->andReturn(new Response(['ok' => $result]));
 
-        $this->assertSame($result, $this->lock->exists('resource'));
+        Assert::same($this->lock->exists('resource'), $result);
     }
 
-    /**
-     * @dataProvider updateTTLDataProvider
-     */
+    #[DataProvider('updateTTLDataProvider')]
     public function testUpdateTTL($ttl, int $expectedTtl, bool $result): void
     {
         $this->rpc->shouldReceive('call')
@@ -145,12 +140,10 @@ public function testUpdateTTL($ttl, int $expectedTtl, bool $result): void
             })
             ->andReturn(new Response(['ok' => $result]));
 
-        $this->assertSame($result, $this->lock->updateTTL('resource', 'some-id', $ttl));
+        Assert::same($this->lock->updateTTL('resource', 'some-id', $ttl), $result);
     }
 
-    /**
-     * @dataProvider resultDataProvider
-     */
+    #[DataProvider('resultDataProvider')]
     public function testExistsWithId(bool $result): void
     {
         $this->rpc->shouldReceive('call')
@@ -163,7 +156,7 @@ public function testExistsWithId(bool $result): void
             })
             ->andReturn(new Response(['ok' => $result]));
 
-        $this->assertSame($result, $this->lock->exists('resource', 'some-id'));
+        Assert::same($this->lock->exists('resource', 'some-id'), $result);
     }
 
     public static function lockTypeDataProvider(): \Generator
@@ -220,33 +213,33 @@ public static function resultDataProvider(): \Traversable
         yield [false];
     }
 
+    #[ExpectException(\LogicException::class)]
     public function testLockNegativeTtl(): void
     {
-        self::expectException(\LogicException::class);
         $this->lock->lock('resource', 'uuid', -300);
     }
 
+    #[ExpectException(\LogicException::class)]
     public function testLockNegativeWaitTtl(): void
     {
-        self::expectException(\LogicException::class);
         $this->lock->lock('resource', 'uuid', 0, -300);
     }
 
+    #[ExpectException(\LogicException::class)]
     public function testLockReadNegativeTtl(): void
     {
-        self::expectException(\LogicException::class);
         $this->lock->lock('resource', 'uuid', -300);
     }
 
+    #[ExpectException(\LogicException::class)]
     public function testLockReadNegativeWaitTtl(): void
     {
-        self::expectException(\LogicException::class);
         $this->lock->lockRead('resource', 'uuid', 0, -300);
     }
 
+    #[ExpectException(\LogicException::class)]
     public function testUpdateNegativeWaitTtl(): void
     {
-        self::expectException(\LogicException::class);
         $this->lock->updateTTL('resource', 'uuid', -300);
     }
 }
diff --git a/tests/src/TestCase.php b/tests/src/TestCase.php
deleted file mode 100644
index 08e12bb..0000000
--- a/tests/src/TestCase.php
+++ /dev/null
@@ -1,10 +0,0 @@
-<?php
-
-namespace RoadRunner\Lock\Tests;
-
-use Mockery\Adapter\Phpunit\MockeryPHPUnitIntegration;
-
-class TestCase extends \PHPUnit\Framework\TestCase
-{
-    use MockeryPHPUnitIntegration;
-}