diff --git a/.gitignore b/.gitignore
index dd55f33..cb88e73 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+.phpunit.cache
 composer.phar
 /vendor/
 
diff --git a/phpunit.xml b/phpunit.xml
new file mode 100644
index 0000000..44d1b7d
--- /dev/null
+++ b/phpunit.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/11.1/phpunit.xsd"
+         bootstrap="vendor/autoload.php"
+         cacheDirectory=".phpunit.cache"
+         executionOrder="depends,defects"
+         requireCoverageMetadata="true"
+         beStrictAboutCoverageMetadata="true"
+         beStrictAboutOutputDuringTests="true"
+         failOnRisky="true"
+         failOnWarning="true">
+    <testsuites>
+        <testsuite name="default">
+            <directory>tests</directory>
+        </testsuite>
+    </testsuites>
+
+    <source ignoreIndirectDeprecations="true" restrictNotices="true" restrictWarnings="true">
+        <include>
+            <directory>src</directory>
+        </include>
+    </source>
+</phpunit>
diff --git a/tests/Channel/PearChannelTest.php b/tests/Channel/PearChannelTest.php
index fbb45a3..fb060db 100644
--- a/tests/Channel/PearChannelTest.php
+++ b/tests/Channel/PearChannelTest.php
@@ -3,10 +3,12 @@
 
 namespace Pickling\Test\Channel;
 
+use PHPUnit\Framework\Attributes\CoversClass;
 use PHPUnit\Framework\TestCase;
 use Pickling\Channel\ChannelInterface;
 use Pickling\Channel\PearChannel;
 
+#[CoversClass(PearChannel::class)]
 final class PearChannelTest extends TestCase {
   public function testGetUrl(): void {
     $pear = new PearChannel();
diff --git a/tests/Channel/PeclChannelTest.php b/tests/Channel/PeclChannelTest.php
index 9a42583..f00b8b8 100644
--- a/tests/Channel/PeclChannelTest.php
+++ b/tests/Channel/PeclChannelTest.php
@@ -3,10 +3,12 @@
 
 namespace Pickling\Test\Channel;
 
+use PHPUnit\Framework\Attributes\CoversClass;
 use PHPUnit\Framework\TestCase;
 use Pickling\Channel\ChannelInterface;
 use Pickling\Channel\PeclChannel;
 
+#[CoversClass(PeclChannel::class)]
 final class PeclChannelTest extends TestCase {
   public function testGetUrl(): void {
     $pecl = new PeclChannel();
diff --git a/tests/ClientTest.php b/tests/ClientTest.php
index f79325f..aab3eb0 100644
--- a/tests/ClientTest.php
+++ b/tests/ClientTest.php
@@ -4,6 +4,7 @@
 namespace Pickling\Test;
 
 use Nyholm\Psr7\Factory\Psr17Factory;
+use PHPUnit\Framework\Attributes\CoversClass;
 use PHPUnit\Framework\TestCase;
 use Pickling\Channel\PeclChannel;
 use Pickling\Client;
@@ -13,6 +14,7 @@
 use Psr\Http\Message\ResponseInterface;
 use PsrMock\Psr18\Client as MockClient;
 
+#[CoversClass(Client::class)]
 final class ClientTest extends TestCase {
   private MockClient $httpClient;
   private Psr17Factory $psr17Factory;
diff --git a/tests/Resource/CategoryListTest.php b/tests/Resource/CategoryListTest.php
index 1736563..f1c9366 100644
--- a/tests/Resource/CategoryListTest.php
+++ b/tests/Resource/CategoryListTest.php
@@ -3,10 +3,12 @@
 
 namespace Pickling\Test\Resource;
 
+use PHPUnit\Framework\Attributes\CoversClass;
 use PHPUnit\Framework\TestCase;
 use Pickling\Resource\CategoryList;
 use SimpleXMLElement;
 
+#[CoversClass(CategoryList::class)]
 final class CategoryListTest extends TestCase {
   public function testPropertyGetters(): void {
     $content = file_get_contents(__DIR__ . '/../Fixtures/categories.xml');
diff --git a/tests/Resource/Feed/CategoryFeedTest.php b/tests/Resource/Feed/CategoryFeedTest.php
index e753423..e428834 100644
--- a/tests/Resource/Feed/CategoryFeedTest.php
+++ b/tests/Resource/Feed/CategoryFeedTest.php
@@ -3,12 +3,14 @@
 
 namespace Pickling\Test\Resource\Feed;
 
+use PHPUnit\Framework\Attributes\CoversClass;
 use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\TestCase;
 use Pickling\Resource\Feed\Category;
 use Pickling\Resource\Feed\Item;
 use SimpleXMLElement;
 
+#[CoversClass(Category::class)]
 final class CategoryFeedTest extends TestCase {
   #[DataProvider('propertyGettersDataProvider')]
   public function testPropertyGetters(string $file, array $properties): void {
diff --git a/tests/Resource/Feed/PackageFeedTest.php b/tests/Resource/Feed/PackageFeedTest.php
index 3b90f05..c1860be 100644
--- a/tests/Resource/Feed/PackageFeedTest.php
+++ b/tests/Resource/Feed/PackageFeedTest.php
@@ -3,12 +3,14 @@
 
 namespace Pickling\Test\Resource\Feed;
 
+use PHPUnit\Framework\Attributes\CoversClass;
 use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\TestCase;
 use Pickling\Resource\Feed\Item;
 use Pickling\Resource\Feed\Package;
 use SimpleXMLElement;
 
+#[CoversClass(Package::class)]
 final class PackageFeedTest extends TestCase {
   #[DataProvider('propertyGettersDataProvider')]
   public function testPropertyGetters(string $file, array $properties): void {
diff --git a/tests/Resource/Package/InfoTest.php b/tests/Resource/Package/InfoTest.php
index af70591..404ec7d 100644
--- a/tests/Resource/Package/InfoTest.php
+++ b/tests/Resource/Package/InfoTest.php
@@ -3,11 +3,13 @@
 
 namespace Pickling\Test\Resource\Package;
 
+use PHPUnit\Framework\Attributes\CoversClass;
 use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\TestCase;
 use Pickling\Resource\Package\Info;
 use SimpleXMLElement;
 
+#[CoversClass(Info::class)]
 final class InfoTest extends TestCase {
   #[DataProvider('propertyGettersDataProvider')]
   public function testPropertyGetters(string $file, array $properties): void {
@@ -30,7 +32,7 @@ public function testPropertyGetters(string $file, array $properties): void {
 
   public static function propertyGettersDataProvider(): array {
     return [
-      [
+      'amqp' => [
         '/../../Fixtures/amqp/info.xml',
         [
           'amqp',
@@ -46,7 +48,7 @@ public static function propertyGettersDataProvider(): array {
           ''
         ]
       ],
-      [
+      'mongo' => [
         '/../../Fixtures/mongo/info.xml',
         [
           'mongo',
@@ -62,7 +64,7 @@ public static function propertyGettersDataProvider(): array {
           ''
         ]
       ],
-      [
+      'mongodb' => [
         '/../../Fixtures/mongodb/info.xml',
         [
           'mongodb',
@@ -82,7 +84,7 @@ public static function propertyGettersDataProvider(): array {
           ''
         ]
       ],
-      [
+      'parallel' => [
         '/../../Fixtures/parallel/info.xml',
         [
           'parallel',
diff --git a/tests/Resource/Package/Release/InfoTest.php b/tests/Resource/Package/Release/InfoTest.php
index 47c6bff..86e9a70 100644
--- a/tests/Resource/Package/Release/InfoTest.php
+++ b/tests/Resource/Package/Release/InfoTest.php
@@ -3,11 +3,13 @@
 
 namespace Pickling\Test\Resource\Package\Release;
 
+use PHPUnit\Framework\Attributes\CoversClass;
 use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\TestCase;
 use Pickling\Resource\Package\Release\Info;
 use SimpleXMLElement;
 
+#[CoversClass(Info::class)]
 final class InfoTest extends TestCase {
   #[DataProvider('propertyGettersDataProvider')]
   public function testPropertyGetters(string $file, array $properties): void {
diff --git a/tests/Resource/Package/Release/ManifestTest.php b/tests/Resource/Package/Release/ManifestTest.php
index 092718f..478da7a 100644
--- a/tests/Resource/Package/Release/ManifestTest.php
+++ b/tests/Resource/Package/Release/ManifestTest.php
@@ -3,11 +3,13 @@
 
 namespace Pickling\Test\Resource\Package\Release;
 
+use PHPUnit\Framework\Attributes\CoversClass;
 use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\TestCase;
 use Pickling\Resource\Package\Release\Manifest;
 use SimpleXMLElement;
 
+#[CoversClass(Manifest::class)]
 final class ManifestTest extends TestCase {
   #[DataProvider('propertyGettersDataProvider')]
   public function testPropertyGetters(string $file, array $properties): void {
diff --git a/tests/Resource/Package/Release/VersionTest.php b/tests/Resource/Package/Release/VersionTest.php
index 5e81c60..daa21ff 100644
--- a/tests/Resource/Package/Release/VersionTest.php
+++ b/tests/Resource/Package/Release/VersionTest.php
@@ -3,10 +3,12 @@
 
 namespace Pickling\Test\Resource\Package\Release;
 
+use PHPUnit\Framework\Attributes\CoversClass;
 use PHPUnit\Framework\TestCase;
 use Pickling\Resource\Package\Release\Version;
 use SimpleXMLElement;
 
+#[CoversClass(Version::class)]
 final class VersionTest extends TestCase {
   public function testPropertyGetters(): void {
     $version = new Version(
diff --git a/tests/Resource/Package/ReleaseListTest.php b/tests/Resource/Package/ReleaseListTest.php
index a337686..b5905c0 100644
--- a/tests/Resource/Package/ReleaseListTest.php
+++ b/tests/Resource/Package/ReleaseListTest.php
@@ -3,12 +3,14 @@
 
 namespace Pickling\Test\Resource\Package;
 
+use PHPUnit\Framework\Attributes\CoversClass;
 use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\TestCase;
 use Pickling\Resource\Package\Release\Version;
 use Pickling\Resource\Package\ReleaseList;
 use SimpleXMLElement;
 
+#[CoversClass(ReleaseList::class)]
 final class ReleaseListTest extends TestCase {
   #[DataProvider('propertyGettersDataProvider')]
   public function testPropertyGetters(string $file, array $properties): void {
diff --git a/tests/Resource/Package/ReleaseTest.php b/tests/Resource/Package/ReleaseTest.php
index 9a5dd50..751dcbf 100644
--- a/tests/Resource/Package/ReleaseTest.php
+++ b/tests/Resource/Package/ReleaseTest.php
@@ -4,6 +4,7 @@
 namespace Pickling\Test\Resource\Package;
 
 use Nyholm\Psr7\Factory\Psr17Factory;
+use PHPUnit\Framework\Attributes\CoversClass;
 use PHPUnit\Framework\TestCase;
 use Pickling\Channel\PeclChannel;
 use Pickling\Resource\Package\Release;
@@ -12,6 +13,7 @@
 use Psr\Http\Message\ResponseInterface;
 use PsrMock\Psr18\Client as MockClient;
 
+#[CoversClass(Release::class)]
 final class ReleaseTest extends TestCase {
   private MockClient $httpClient;
   private Psr17Factory $psr17Factory;
diff --git a/tests/Resource/PackageListTest.php b/tests/Resource/PackageListTest.php
index 70f57d7..580ff02 100644
--- a/tests/Resource/PackageListTest.php
+++ b/tests/Resource/PackageListTest.php
@@ -3,10 +3,12 @@
 
 namespace Pickling\Test\Resource;
 
+use PHPUnit\Framework\Attributes\CoversClass;
 use PHPUnit\Framework\TestCase;
 use Pickling\Resource\PackageList;
 use SimpleXMLElement;
 
+#[CoversClass(PackageList::class)]
 final class PackageListTest extends TestCase {
   public function testPropertyGetters(): void {
     $content = file_get_contents(__DIR__ . '/../Fixtures/packages.xml');
diff --git a/tests/Resource/PackageTest.php b/tests/Resource/PackageTest.php
index ce5ed18..ea0f53b 100644
--- a/tests/Resource/PackageTest.php
+++ b/tests/Resource/PackageTest.php
@@ -4,6 +4,7 @@
 namespace Pickling\Test\Resource;
 
 use Nyholm\Psr7\Factory\Psr17Factory;
+use PHPUnit\Framework\Attributes\CoversClass;
 use PHPUnit\Framework\TestCase;
 use Pickling\Channel\PeclChannel;
 use Pickling\Resource\Package;
@@ -13,6 +14,7 @@
 use Psr\Http\Message\ResponseInterface;
 use PsrMock\Psr18\Client as MockClient;
 
+#[CoversClass(Package::class)]
 final class PackageTest extends TestCase {
   private MockClient $httpClient;
   private Psr17Factory $psr17Factory;
diff --git a/tests/Traits/HttpRequestTest.php b/tests/Traits/HttpRequestTest.php
index 8a5e768..bd44a72 100644
--- a/tests/Traits/HttpRequestTest.php
+++ b/tests/Traits/HttpRequestTest.php
@@ -4,6 +4,7 @@
 namespace Pickling\Test\Traits;
 
 use Nyholm\Psr7\Factory\Psr17Factory;
+use PHPUnit\Framework\Attributes\CoversClass;
 use PHPUnit\Framework\TestCase;
 use Pickling\Traits\HttpRequest;
 use Psr\Http\Client\ClientInterface;
@@ -14,6 +15,7 @@
 use RuntimeException;
 use stdClass;
 
+#[CoversClass(HttpRequest::class)]
 final class HttpRequestTest extends TestCase {
   private MockClient $httpClient;
   private Psr17Factory $psr17Factory;