diff --git a/src/Type/Php/HrtimeFunctionReturnTypeExtension.php b/src/Type/Php/HrtimeFunctionReturnTypeExtension.php
index 5b4a28b2ec..097fd1a455 100644
--- a/src/Type/Php/HrtimeFunctionReturnTypeExtension.php
+++ b/src/Type/Php/HrtimeFunctionReturnTypeExtension.php
@@ -7,14 +7,14 @@
 use PHPStan\DependencyInjection\AutowiredService;
 use PHPStan\Reflection\FunctionReflection;
 use PHPStan\TrinaryLogic;
+use PHPStan\Type\BenevolentUnionType;
 use PHPStan\Type\Constant\ConstantArrayType;
 use PHPStan\Type\Constant\ConstantIntegerType;
 use PHPStan\Type\DynamicFunctionReturnTypeExtension;
 use PHPStan\Type\FloatType;
-use PHPStan\Type\IntegerType;
+use PHPStan\Type\IntegerRangeType;
 use PHPStan\Type\Type;
 use PHPStan\Type\TypeCombinator;
-use PHPStan\Type\TypeUtils;
 use function count;
 
 #[AutowiredService]
@@ -28,8 +28,13 @@ public function isFunctionSupported(FunctionReflection $functionReflection): boo
 
 	public function getTypeFromFunctionCall(FunctionReflection $functionReflection, FuncCall $functionCall, Scope $scope): Type
 	{
-		$arrayType = new ConstantArrayType([new ConstantIntegerType(0), new ConstantIntegerType(1)], [new IntegerType(), new IntegerType()], [2], isList: TrinaryLogic::createYes());
-		$numberType = TypeUtils::toBenevolentUnion(TypeCombinator::union(new IntegerType(), new FloatType()));
+		$arrayType = new ConstantArrayType(
+			[new ConstantIntegerType(0), new ConstantIntegerType(1)],
+			[IntegerRangeType::fromInterval(1, null), IntegerRangeType::fromInterval(0, 999999999)],
+			[2],
+			isList: TrinaryLogic::createYes(),
+		);
+		$numberType = new BenevolentUnionType([IntegerRangeType::fromInterval(1, null), new FloatType()]);
 
 		if (count($functionCall->getArgs()) < 1) {
 			return $arrayType;
diff --git a/tests/PHPStan/Analyser/LegacyNodeScopeResolverTest.php b/tests/PHPStan/Analyser/LegacyNodeScopeResolverTest.php
index 22f21b50a2..38c8bc5d7c 100644
--- a/tests/PHPStan/Analyser/LegacyNodeScopeResolverTest.php
+++ b/tests/PHPStan/Analyser/LegacyNodeScopeResolverTest.php
@@ -8684,19 +8684,19 @@ public static function dataPhp73Functions(): array
 				'array_key_last($constantArrayOptionalKeys3)',
 			],
 			[
-				'array{int, int}',
+				'array{int<1, max>, int<0, 999999999>}',
 				'$hrtime1',
 			],
 			[
-				'array{int, int}',
+				'array{int<1, max>, int<0, 999999999>}',
 				'$hrtime2',
 			],
 			[
-				'(float|int)',
+				'(float|int<1, max>)',
 				'$hrtime3',
 			],
 			[
-				'array{int, int}|float|int',
+				'array{int<1, max>, int<0, 999999999>}|float|int<1, max>',
 				'$hrtime4',
 			],
 		];