diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1f15c4f..4fd2769 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 - **BREAKING**: Require Laravel 11.
+- **BREAKING**: Add enum `ResultState`.
 
 ## [0.5.2] - 2023-12-29
 ### Added
diff --git a/src/Enums/ResultState.php b/src/Enums/ResultState.php
new file mode 100644
index 0000000..ac7accd
--- /dev/null
+++ b/src/Enums/ResultState.php
@@ -0,0 +1,22 @@
+<?php
+
+namespace Butler\Health\Enums;
+
+enum ResultState: string
+{
+    case OK = 'ok';
+    case WARNING = 'warning';
+    case CRITICAL = 'critical';
+    case UNKNOWN = 'unknown';
+
+    public function order(): int
+    {
+        return match ($this) {
+            self::CRITICAL => 3,
+            self::WARNING => 2,
+            self::OK => 1,
+            self::UNKNOWN => 0,
+            default => 0,
+        };
+    }
+}
diff --git a/src/Result.php b/src/Result.php
index 4927274..dae3b6c 100644
--- a/src/Result.php
+++ b/src/Result.php
@@ -2,37 +2,34 @@
 
 namespace Butler\Health;
 
+use Butler\Health\Enums\ResultState;
+
 class Result
 {
-    public const OK = 'ok';
-    public const WARNING = 'warning';
-    public const CRITICAL = 'critical';
-    public const UNKNOWN = 'unknown';
-
     public $value = null;
 
-    private function __construct(public string $message, public string $state)
+    private function __construct(public string $message, public ResultState $state)
     {
     }
 
     public static function ok(string $message): static
     {
-        return new static($message, static::OK);
+        return new static($message, ResultState::OK);
     }
 
     public static function warning(string $message): static
     {
-        return new static($message, static::WARNING);
+        return new static($message, ResultState::WARNING);
     }
 
     public static function critical(string $message): static
     {
-        return new static($message, static::CRITICAL);
+        return new static($message, ResultState::CRITICAL);
     }
 
     public static function unknown(string $message): static
     {
-        return new static($message, static::UNKNOWN);
+        return new static($message, ResultState::UNKNOWN);
     }
 
     public function value()
@@ -44,24 +41,13 @@ public function value()
         return $this->value;
     }
 
-    public function order(): int
-    {
-        return match ($this->state) {
-            static::CRITICAL => 3,
-            static::WARNING => 2,
-            static::OK => 1,
-            static::UNKNOWN => 0,
-            default => 0,
-        };
-    }
-
     public function toArray(): array
     {
         return [
             'value' => $this->value,
             'message' => $this->message,
-            'state' => $this->state,
-            'order' => $this->order(),
+            'state' => $this->state->value,
+            'order' => $this->state->order(),
         ];
     }
 }
diff --git a/tests/Checks/DatabaseCheckTest.php b/tests/Checks/DatabaseCheckTest.php
index bb56b62..d02a768 100644
--- a/tests/Checks/DatabaseCheckTest.php
+++ b/tests/Checks/DatabaseCheckTest.php
@@ -3,7 +3,7 @@
 namespace Butler\Tests\Health;
 
 use Butler\Health\Checks\Database;
-use Butler\Health\Result;
+use Butler\Health\Enums\ResultState;
 use Butler\Health\Tests\AbstractTestCase;
 use Illuminate\Support\Facades\DB;
 
@@ -16,7 +16,7 @@ public function test_unknown_when_no_database_connections_exist()
         $result = (new Database())->run();
 
         $this->assertEquals('No database connections found.', $result->message);
-        $this->assertEquals(Result::UNKNOWN, $result->state);
+        $this->assertEquals(ResultState::UNKNOWN, $result->state);
         $this->assertNull($result->value());
     }
 
@@ -34,7 +34,7 @@ public function test_ok_when_single_database_connection_succeeds()
         $result = (new Database())->run();
 
         $this->assertEquals('Connected to the database.', $result->message);
-        $this->assertEquals(Result::OK, $result->state);
+        $this->assertEquals(ResultState::OK, $result->state);
         $this->assertEquals(1, $result->value());
     }
 
@@ -56,7 +56,7 @@ public function test_ok_when_multiple_database_connections_succeeds()
         $result = (new Database())->run();
 
         $this->assertEquals('Connected to all 2 databases.', $result->message);
-        $this->assertEquals(Result::OK, $result->state);
+        $this->assertEquals(ResultState::OK, $result->state);
         $this->assertEquals(1, $result->value());
     }
 
@@ -76,7 +76,7 @@ public function test_ok_when_connection_was_disconnected()
         $result = (new Database())->run();
 
         $this->assertEquals('Connected to the database.', $result->message);
-        $this->assertEquals(Result::OK, $result->state);
+        $this->assertEquals(ResultState::OK, $result->state);
         $this->assertEquals(1, $result->value());
     }
 
@@ -87,7 +87,7 @@ public function test_critical_when_one_database_connection_fails()
         $result = (new Database())->run();
 
         $this->assertEquals('Not connected to the database.', $result->message);
-        $this->assertEquals(Result::CRITICAL, $result->state);
+        $this->assertEquals(ResultState::CRITICAL, $result->state);
         $this->assertEquals(0, $result->value());
     }
 
@@ -106,7 +106,7 @@ public function test_critical_when_one_of_multiple_database_connections_fails()
         $result = (new Database())->run();
 
         $this->assertEquals('Connected to 1 of 2 databases.', $result->message);
-        $this->assertEquals(Result::CRITICAL, $result->state);
+        $this->assertEquals(ResultState::CRITICAL, $result->state);
         $this->assertEquals(0.5, $result->value());
     }
 }
diff --git a/tests/Checks/FailedJobsCheckTest.php b/tests/Checks/FailedJobsCheckTest.php
index dff300e..582c9e7 100644
--- a/tests/Checks/FailedJobsCheckTest.php
+++ b/tests/Checks/FailedJobsCheckTest.php
@@ -3,7 +3,7 @@
 namespace Butler\Health\Tests;
 
 use Butler\Health\Checks\FailedJobs;
-use Butler\Health\Result;
+use Butler\Health\Enums\ResultState;
 use Illuminate\Support\Facades\DB;
 use Illuminate\Support\Facades\Schema;
 
@@ -23,7 +23,7 @@ public function test_ok_when_no_failed_jobs_exist()
         $result = (new FailedJobs())->run();
 
         $this->assertEquals('No failed jobs.', $result->message);
-        $this->assertEquals(Result::OK, $result->state);
+        $this->assertEquals(ResultState::OK, $result->state);
         $this->assertEquals(0, $result->value());
     }
 
@@ -37,7 +37,7 @@ public function test_critical_when_multiple_failed_jobs_exist()
         $result = (new FailedJobs())->run();
 
         $this->assertEquals('2 failed jobs.', $result->message);
-        $this->assertEquals(Result::CRITICAL, $result->state);
+        $this->assertEquals(ResultState::CRITICAL, $result->state);
         $this->assertEquals(2, $result->value());
     }
 
@@ -48,7 +48,7 @@ public function test_critical_when_one_failed_job_exist()
         $result = (new FailedJobs())->run();
 
         $this->assertEquals('One failed job.', $result->message);
-        $this->assertEquals(Result::CRITICAL, $result->state);
+        $this->assertEquals(ResultState::CRITICAL, $result->state);
         $this->assertEquals(1, $result->value());
     }
 
@@ -59,7 +59,7 @@ public function test_unknown_when_table_dont_exist()
         $result = (new FailedJobs())->run();
 
         $this->assertEquals('Table foobar not found.', $result->message);
-        $this->assertEquals(Result::UNKNOWN, $result->state);
+        $this->assertEquals(ResultState::UNKNOWN, $result->state);
         $this->assertNull($result->value());
     }
 }
diff --git a/tests/Checks/RedisCheckTest.php b/tests/Checks/RedisCheckTest.php
index 562c73c..33ca72d 100644
--- a/tests/Checks/RedisCheckTest.php
+++ b/tests/Checks/RedisCheckTest.php
@@ -3,7 +3,7 @@
 namespace Butler\Tests\Health;
 
 use Butler\Health\Checks\Redis;
-use Butler\Health\Result;
+use Butler\Health\Enums\ResultState;
 use Butler\Health\Tests\AbstractTestCase;
 use Illuminate\Support\Facades\Redis as RedisClient;
 
@@ -18,7 +18,7 @@ public function test_unknown_when_redis_extension_is_not_loaded()
         $result = (new Redis())->run();
 
         $this->assertEquals('Redis extension not enabled.', $result->message);
-        $this->assertEquals(Result::UNKNOWN, $result->state);
+        $this->assertEquals(ResultState::UNKNOWN, $result->state);
         $this->assertNull($result->value());
     }
 
@@ -33,7 +33,7 @@ public function test_unknown_when_redis_host_is_undefined()
         $result = (new Redis())->run();
 
         $this->assertEquals('Redis host undefined.', $result->message);
-        $this->assertEquals(Result::UNKNOWN, $result->state);
+        $this->assertEquals(ResultState::UNKNOWN, $result->state);
         $this->assertNull($result->value());
     }
 
@@ -50,7 +50,7 @@ public function test_ok()
         $result = (new Redis())->run();
 
         $this->assertEquals('Connected to redis on localhost.', $result->message);
-        $this->assertEquals(Result::OK, $result->state);
+        $this->assertEquals(ResultState::OK, $result->state);
         $this->assertNull($result->value());
     }
 }