diff --git a/src/Rules/PHPUnit/AttributeVersionRequirementHelper.php b/src/Rules/PHPUnit/AttributeVersionRequirementHelper.php
index 41bd178..382493f 100644
--- a/src/Rules/PHPUnit/AttributeVersionRequirementHelper.php
+++ b/src/Rules/PHPUnit/AttributeVersionRequirementHelper.php
@@ -17,6 +17,7 @@
 use function is_numeric;
 use function preg_match;
 use function sprintf;
+use function strpos;
 use function substr_count;
 use function version_compare;
 
@@ -96,11 +97,18 @@ public function checkVersionRequirement(array $attributes, Scope $scope): array
 					continue;
 				}
 
+				$pharIoVersions = strpos($attr->getName(), 'RequiresPhpunit') !== false
+					? $this->PHPUnitVersion->getPharIoVersions()
+					: $phpstanPharIoVersions;
+				if ($pharIoVersions === []) {
+					continue;
+				}
+
 				try {
 					// check composer like version constraints, e.g. ^1  or ~2
 					$testPhpVersionConstraint = $parser->parse($versionRequirement);
 
-					foreach ($phpstanPharIoVersions as $pharIoVersion) {
+					foreach ($pharIoVersions as $pharIoVersion) {
 						if ($testPhpVersionConstraint->complies($pharIoVersion)) {
 							// one of the versions within range matched, check next attribute
 							continue 2;
@@ -120,7 +128,7 @@ public function checkVersionRequirement(array $attributes, Scope $scope): array
 
 					$operator = $matches['operator'] !== '' ? $matches['operator'] : '>=';
 
-					foreach ($phpstanPharIoVersions as $pharIoVersion) {
+					foreach ($pharIoVersions as $pharIoVersion) {
 						if (version_compare($pharIoVersion->getVersionString(), $matches['version'], $operator)) {
 							// one of the versions within range matched, check next attribute
 							continue 2;
diff --git a/src/Rules/PHPUnit/PHPUnitVersion.php b/src/Rules/PHPUnit/PHPUnitVersion.php
index f614585..e6176b0 100644
--- a/src/Rules/PHPUnit/PHPUnitVersion.php
+++ b/src/Rules/PHPUnit/PHPUnitVersion.php
@@ -2,7 +2,9 @@
 
 namespace PHPStan\Rules\PHPUnit;
 
+use PharIo\Version\Version;
 use PHPStan\TrinaryLogic;
+use function sprintf;
 
 class PHPUnitVersion
 {
@@ -17,6 +19,21 @@ public function __construct(?int $majorVersion, ?int $minorVersion)
 		$this->minorVersion = $minorVersion;
 	}
 
+	/**
+	 * @return array{}|array{Version, Version}
+	 */
+	public function getPharIoVersions(): array
+	{
+		if ($this->majorVersion === null || $this->minorVersion === null) {
+			return [];
+		}
+
+		return [
+			new Version(sprintf('%d.%d.0', $this->majorVersion, $this->minorVersion)),
+			new Version(sprintf('%d.%d.99', $this->majorVersion, $this->minorVersion)),
+		];
+	}
+
 	public function supportsDataProviderAttribute(): TrinaryLogic
 	{
 		if ($this->majorVersion === null) {
diff --git a/tests/Rules/PHPUnit/data/requires-phpunit-version.php b/tests/Rules/PHPUnit/data/requires-phpunit-version.php
index e40f2b5..a385ee0 100644
--- a/tests/Rules/PHPUnit/data/requires-phpunit-version.php
+++ b/tests/Rules/PHPUnit/data/requires-phpunit-version.php
@@ -9,13 +9,13 @@
 
 class TwoDigitVersionA extends TestCase
 {
-	#[RequiresPhpunit('8.0')]
+	#[RequiresPhpunit('11.0')]
 	public function testFoo(): void {
 
 	}
 }
 
-#[RequiresPhpunit('>=8.0')]
+#[RequiresPhpunit('>=11.0')]
 class TwoDigitVersionB extends TestCase
 {
 	public function testBar(): void {
@@ -25,13 +25,18 @@ public function testBar(): void {
 
 class CorrectRequirement extends TestCase
 {
-	#[RequiresPhpunit('>=8.0.0')]
+	#[RequiresPhpunit('>=11.0.0')]
 	public function testBar(): void {
 
 	}
+
+	#[RequiresPhpunit('^12.0.0')]
+	public function testBaz(): void {
+
+	}
 }
 
-#[RequiresPhpunit('>=8.0.0')]
+#[RequiresPhpunit('>=11.0.0')]
 class CorrectClassRequirement extends TestCase
 {
 	public function testBar(): void {