diff --git a/README.md b/README.md
index 5a3b12f..e333236 100644
--- a/README.md
+++ b/README.md
@@ -36,11 +36,11 @@ class User extends Authenticatable
 
 ### Laravel version Compatibility
 
- Laravel  | Passport                   | Package
-:---------|:---------------------------|:----------
- 5.5.x    | 4.0.x, 5.0.x, 6.0.x, 7.0.x | 1.1.x
- 5.6.x    | 4.0.x, 5.0.x, 6.0.x, 7.0.x | 1.1.x
- 6.x      | 4.0.x, 5.0.x, 6.0.x, 7.x   | 1.2.x
+ Laravel  | Passport                     | Package
+:---------|:-----------------------------|:----------
+ 5.5.x    | 4.0.x, 5.0.x, 6.0.x, 7.0.x   | 1.1.x
+ 5.6.x    | 4.0.x, 5.0.x, 6.0.x, 7.0.x   | 1.1.x
+ 6.x      | 4.0.x, 5.0.x, 6.0.x, 7.x, 8.x| 1.2.x
   
 And add the service provider in `config/app.php`:
 
diff --git a/src/Passport/Client.php b/src/Passport/Client.php
index 9e07f07..3be09de 100644
--- a/src/Passport/Client.php
+++ b/src/Passport/Client.php
@@ -78,5 +78,15 @@ public function firstParty()
     public function skipsAuthorization()
     {
         return false;
-    } 
+    }
+    
+    /**
+     * Determine if the client is a confidential client.
+     *
+     * @return bool
+     */
+    public function confidential()
+    {
+        return ! empty($this->secret);
+    }
 }