diff --git a/src/Illuminate/Auth/Access/Gate.php b/src/Illuminate/Auth/Access/Gate.php
index 2341efd8109d..eea0617a2a73 100644
--- a/src/Illuminate/Auth/Access/Gate.php
+++ b/src/Illuminate/Auth/Access/Gate.php
@@ -117,7 +117,7 @@ public function __construct(
     /**
      * Determine if a given ability has been defined.
      *
-     * @param  string|array  $ability
+     * @param  \UnitEnum|array|string  $ability
      * @return bool
      */
     public function has($ability)
@@ -125,7 +125,7 @@ public function has($ability)
         $abilities = is_array($ability) ? $ability : func_get_args();
 
         foreach ($abilities as $ability) {
-            if (! isset($this->abilities[$ability])) {
+            if (! isset($this->abilities[enum_value($ability)])) {
                 return false;
             }
         }
diff --git a/src/Illuminate/Contracts/Auth/Access/Gate.php b/src/Illuminate/Contracts/Auth/Access/Gate.php
index 29ab2377d9c9..dd43d69a50c6 100644
--- a/src/Illuminate/Contracts/Auth/Access/Gate.php
+++ b/src/Illuminate/Contracts/Auth/Access/Gate.php
@@ -7,7 +7,7 @@ interface Gate
     /**
      * Determine if a given ability has been defined.
      *
-     * @param  string  $ability
+     * @param  \UnitEnum|string  $ability
      * @return bool
      */
     public function has($ability);
diff --git a/src/Illuminate/Support/Facades/Gate.php b/src/Illuminate/Support/Facades/Gate.php
index e5ae37c09e4c..37cb11be740a 100644
--- a/src/Illuminate/Support/Facades/Gate.php
+++ b/src/Illuminate/Support/Facades/Gate.php
@@ -5,7 +5,7 @@
 use Illuminate\Contracts\Auth\Access\Gate as GateContract;
 
 /**
- * @method static bool has(string|array $ability)
+ * @method static bool has(\UnitEnum|string|array $ability)
  * @method static \Illuminate\Auth\Access\Response allowIf(\Illuminate\Auth\Access\Response|\Closure|bool $condition, string|null $message = null, string|null $code = null)
  * @method static \Illuminate\Auth\Access\Response denyIf(\Illuminate\Auth\Access\Response|\Closure|bool $condition, string|null $message = null, string|null $code = null)
  * @method static \Illuminate\Auth\Access\Gate define(\UnitEnum|string $ability, callable|array|string $callback)