diff --git a/src/Attributes/AttributeLoader.php b/src/Attributes/AttributeLoader.php
index d0a5c14..61f140f 100644
--- a/src/Attributes/AttributeLoader.php
+++ b/src/Attributes/AttributeLoader.php
@@ -35,7 +35,17 @@ public function load(StateConfig $stateConfig): StateConfig
 
             $stateConfig->default($defaultStateAttribute->defaultStateClass);
         }
-
-        return $stateConfig;
+	
+	    $registerStateAttributes = $this->reflectionClass->getAttributes(RegisterState::class);
+		
+		foreach($registerStateAttributes as $attribute) {
+			/** @var \Spatie\ModelStates\Attributes\RegisterState $registerStateAttribute */
+			$registerStateAttribute = $attribute->newInstance();
+			
+			$stateConfig->registerState($registerStateAttribute->stateClass);
+		}
+	
+	
+	    return $stateConfig;
     }
 }
diff --git a/src/Attributes/RegisterState.php b/src/Attributes/RegisterState.php
new file mode 100644
index 0000000..4fb43b5
--- /dev/null
+++ b/src/Attributes/RegisterState.php
@@ -0,0 +1,15 @@
+<?php
+
+namespace Spatie\ModelStates\Attributes;
+
+use Attribute;
+use JetBrains\PhpStorm\Immutable;
+
+#[Attribute(Attribute::TARGET_CLASS | Attribute::IS_REPEATABLE)]
+class RegisterState
+{
+    public function __construct(
+        #[Immutable] public string|array $stateClass,
+    ) {
+    }
+}
diff --git a/tests/AttributeSateTest.php b/tests/AttributeStateTest.php
similarity index 52%
rename from tests/AttributeSateTest.php
rename to tests/AttributeStateTest.php
index b10a5a0..cb98911 100644
--- a/tests/AttributeSateTest.php
+++ b/tests/AttributeStateTest.php
@@ -2,12 +2,15 @@
 
 namespace Spatie\ModelStates\Tests;
 
+use Spatie\ModelStates\Tests\Dummy\AttributeState\AnotherDirectory\AttributeStateC;
+use Spatie\ModelStates\Tests\Dummy\AttributeState\AnotherDirectory\AttributeStateD;
+use Spatie\ModelStates\Tests\Dummy\AttributeState\AnotherDirectory\AttributeStateE;
 use Spatie\ModelStates\Tests\Dummy\AttributeState\AttributeStateA;
 use Spatie\ModelStates\Tests\Dummy\AttributeState\AttributeStateB;
 use Spatie\ModelStates\Tests\Dummy\AttributeState\AttributeStateTransition;
 use Spatie\ModelStates\Tests\Dummy\AttributeState\TestModelWithAttributeState;
 
-class AttributeSateTest extends TestCase
+class AttributeStateTest extends TestCase
 {
     /** @test */
     public function test_default()
@@ -39,4 +42,25 @@ public function test_allowed_transition()
         $this->assertTrue($model->state->equals(AttributeStateB::class));
         $this->assertTrue(AttributeStateTransition::$transitioned);
     }
+	
+	/** @test */
+	public function test_registered_states()
+	{
+		if (PHP_VERSION_ID < 80000) {
+			$this->markTestSkipped('Not PHP 8');
+			
+			return;
+		}
+		
+		$model = new TestModelWithAttributeState();
+		
+		$this->assertSame([AttributeStateC::class, AttributeStateD::class, AttributeStateE::class], AttributeStateA::config()->registeredStates);
+		$this->assertSame([AttributeStateC::class, AttributeStateD::class, AttributeStateE::class], AttributeStateC::config()->registeredStates);
+		
+		$this->assertTrue($model->state->equals(AttributeStateA::class));
+		
+		$model->state->transitionTo(AttributeStateC::class);
+		
+		$this->assertTrue($model->state->equals(AttributeStateC::class));
+	}
 }
diff --git a/tests/Dummy/AttributeState/AnotherDirectory/AttributeStateC.php b/tests/Dummy/AttributeState/AnotherDirectory/AttributeStateC.php
new file mode 100644
index 0000000..d74a2a9
--- /dev/null
+++ b/tests/Dummy/AttributeState/AnotherDirectory/AttributeStateC.php
@@ -0,0 +1,9 @@
+<?php
+
+namespace Spatie\ModelStates\Tests\Dummy\AttributeState\AnotherDirectory;
+
+use Spatie\ModelStates\Tests\Dummy\AttributeState\AttributeState;
+
+class AttributeStateC extends AttributeState
+{
+}
diff --git a/tests/Dummy/AttributeState/AnotherDirectory/AttributeStateD.php b/tests/Dummy/AttributeState/AnotherDirectory/AttributeStateD.php
new file mode 100644
index 0000000..2edda47
--- /dev/null
+++ b/tests/Dummy/AttributeState/AnotherDirectory/AttributeStateD.php
@@ -0,0 +1,9 @@
+<?php
+
+namespace Spatie\ModelStates\Tests\Dummy\AttributeState\AnotherDirectory;
+
+use Spatie\ModelStates\Tests\Dummy\AttributeState\AttributeState;
+
+class AttributeStateD extends AttributeState
+{
+}
diff --git a/tests/Dummy/AttributeState/AnotherDirectory/AttributeStateE.php b/tests/Dummy/AttributeState/AnotherDirectory/AttributeStateE.php
new file mode 100644
index 0000000..4691db6
--- /dev/null
+++ b/tests/Dummy/AttributeState/AnotherDirectory/AttributeStateE.php
@@ -0,0 +1,9 @@
+<?php
+
+namespace Spatie\ModelStates\Tests\Dummy\AttributeState\AnotherDirectory;
+
+use Spatie\ModelStates\Tests\Dummy\AttributeState\AttributeState;
+
+class AttributeStateE extends AttributeState
+{
+}
diff --git a/tests/Dummy/AttributeState/AnotherDirectory/AttributeStateF.php b/tests/Dummy/AttributeState/AnotherDirectory/AttributeStateF.php
new file mode 100644
index 0000000..1651392
--- /dev/null
+++ b/tests/Dummy/AttributeState/AnotherDirectory/AttributeStateF.php
@@ -0,0 +1,9 @@
+<?php
+
+namespace Spatie\ModelStates\Tests\Dummy\AttributeState\AnotherDirectory;
+
+use Spatie\ModelStates\Tests\Dummy\AttributeState\AttributeState;
+
+class AttributeStateF extends AttributeState
+{
+}
diff --git a/tests/Dummy/AttributeState/AttributeState.php b/tests/Dummy/AttributeState/AttributeState.php
index 3699046..25d68e6 100644
--- a/tests/Dummy/AttributeState/AttributeState.php
+++ b/tests/Dummy/AttributeState/AttributeState.php
@@ -4,12 +4,19 @@
 
 use Spatie\ModelStates\Attributes\AllowTransition;
 use Spatie\ModelStates\Attributes\DefaultState;
+use Spatie\ModelStates\Attributes\RegisterState;
 use Spatie\ModelStates\State;
+use Spatie\ModelStates\Tests\Dummy\AttributeState\AnotherDirectory\AttributeStateC;
+use Spatie\ModelStates\Tests\Dummy\AttributeState\AnotherDirectory\AttributeStateD;
+use Spatie\ModelStates\Tests\Dummy\AttributeState\AnotherDirectory\AttributeStateE;
 
 #[
     AllowTransition(AttributeStateA::class, AttributeStateB::class, AttributeStateTransition::class),
     AllowTransition(AttributeStateB::class, AttributeStateA::class),
+    AllowTransition(AttributeStateA::class, AttributeStateC::class),
     DefaultState(AttributeStateA::class),
+	RegisterState(AttributeStateC::class),
+	RegisterState([AttributeStateD::class, AttributeStateE::class]),
 ]
 abstract class AttributeState extends State
 {