diff --git a/tests/TrueSkill/FactorGraphTrueSkillCalculatorTest.php b/tests/TrueSkill/FactorGraphTrueSkillCalculatorTest.php
index ee14f4f..9a87fbe 100644
--- a/tests/TrueSkill/FactorGraphTrueSkillCalculatorTest.php
+++ b/tests/TrueSkill/FactorGraphTrueSkillCalculatorTest.php
@@ -10,8 +10,11 @@ use DNW\Skills\Team;
 use DNW\Skills\TrueSkill\FactorGraphTrueSkillCalculator;
 use DNW\Skills\SkillCalculatorSupportedOptions;
 use PHPUnit\Framework\TestCase;
+use PHPUnit\Framework\Attributes\CoversClass;
 use PHPUnit\Framework\Attributes\CoversNothing;
+use PHPUnit\Framework\Attributes\UsesClass;
 
+#[CoversClass(FactorGraphTrueSkillCalculator::class)]
 class FactorGraphTrueSkillCalculatorTest extends TestCase
 {
     #[CoversNothing]
diff --git a/tests/TrueSkill/TwoPlayerTrueSkillCalculatorTest.php b/tests/TrueSkill/TwoPlayerTrueSkillCalculatorTest.php
index 6a8c9aa..e1e5c2a 100644
--- a/tests/TrueSkill/TwoPlayerTrueSkillCalculatorTest.php
+++ b/tests/TrueSkill/TwoPlayerTrueSkillCalculatorTest.php
@@ -6,8 +6,10 @@ namespace DNW\Skills\Tests\TrueSkill;
 
 use DNW\Skills\TrueSkill\TwoPlayerTrueSkillCalculator;
 use PHPUnit\Framework\TestCase;
+use PHPUnit\Framework\Attributes\CoversClass;
 use PHPUnit\Framework\Attributes\CoversNothing;
 
+#[CoversClass(TwoPlayerTrueSkillCalculator::class)]
 class TwoPlayerTrueSkillCalculatorTest extends TestCase
 {
     #[CoversNothing]
diff --git a/tests/TrueSkill/TwoTeamTrueSkillCalculatorTest.php b/tests/TrueSkill/TwoTeamTrueSkillCalculatorTest.php
index 215f956..b4d3915 100644
--- a/tests/TrueSkill/TwoTeamTrueSkillCalculatorTest.php
+++ b/tests/TrueSkill/TwoTeamTrueSkillCalculatorTest.php
@@ -6,8 +6,10 @@ namespace DNW\Skills\Tests\TrueSkill;
 
 use DNW\Skills\TrueSkill\TwoTeamTrueSkillCalculator;
 use PHPUnit\Framework\TestCase;
+use PHPUnit\Framework\Attributes\CoversClass;
 use PHPUnit\Framework\Attributes\CoversNothing;
 
+#[CoversClass(TwoTeamTrueSkillCalculator::class)]
 class TwoTeamTrueSkillCalculatorTest extends TestCase
 {
     #[CoversNothing]