diff --git a/src/Apps/App.php b/src/Apps/App.php
index ae23f4d687..acb2150df8 100644
--- a/src/Apps/App.php
+++ b/src/Apps/App.php
@@ -6,7 +6,7 @@
 
 class App
 {
-    /** @var int */
+    /** @var string|int */
     public $id;
 
     /** @var string */
@@ -39,7 +39,7 @@ class App
     /**
      * Find the app by id.
      *
-     * @param  mixed  $appId
+     * @param  string|int  $appId
      * @return \BeyondCode\LaravelWebSockets\Apps\App|null
      */
     public static function findById($appId)
@@ -50,7 +50,7 @@ public static function findById($appId)
     /**
      * Find the app by app key.
      *
-     * @param  mixed  $appId
+     * @param  string  $appKey
      * @return \BeyondCode\LaravelWebSockets\Apps\App|null
      */
     public static function findByKey($appKey): ?self
@@ -61,7 +61,7 @@ public static function findByKey($appKey): ?self
     /**
      * Find the app by app secret.
      *
-     * @param  mixed  $appId
+     * @param  string  $appSecret
      * @return \BeyondCode\LaravelWebSockets\Apps\App|null
      */
     public static function findBySecret($appSecret): ?self
@@ -72,9 +72,9 @@ public static function findBySecret($appSecret): ?self
     /**
      * Initialize the Web Socket app instance.
      *
-     * @param  mixed  $appId
-     * @param  mixed  $key
-     * @param  mixed  $secret
+     * @param  string|int  $appId
+     * @param  string  $key
+     * @param  string  $secret
      * @return void
      * @throws \BeyondCode\LaravelWebSockets\Exceptions\InvalidApp
      */
diff --git a/src/Apps/AppManager.php b/src/Apps/AppManager.php
index 03c0c9ee0a..86497c08e5 100644
--- a/src/Apps/AppManager.php
+++ b/src/Apps/AppManager.php
@@ -14,7 +14,7 @@ public function all(): array;
     /**
      * Get app by id.
      *
-     * @param  mixed  $appId
+     * @param  string|int  $appId
      * @return \BeyondCode\LaravelWebSockets\Apps\App|null
      */
     public function findById($appId): ?App;
@@ -22,7 +22,7 @@ public function findById($appId): ?App;
     /**
      * Get app by app key.
      *
-     * @param  mixed  $appKey
+     * @param  string  $appKey
      * @return \BeyondCode\LaravelWebSockets\Apps\App|null
      */
     public function findByKey($appKey): ?App;
@@ -30,7 +30,7 @@ public function findByKey($appKey): ?App;
     /**
      * Get app by secret.
      *
-     * @param  mixed  $appSecret
+     * @param  string  $appSecret
      * @return \BeyondCode\LaravelWebSockets\Apps\App|null
      */
     public function findBySecret($appSecret): ?App;
diff --git a/src/Apps/ConfigAppManager.php b/src/Apps/ConfigAppManager.php
index 3136ad65c5..03e54587c2 100644
--- a/src/Apps/ConfigAppManager.php
+++ b/src/Apps/ConfigAppManager.php
@@ -38,7 +38,7 @@ public function all(): array
     /**
      * Get app by id.
      *
-     * @param  mixed  $appId
+     * @param  string|int  $appId
      * @return \BeyondCode\LaravelWebSockets\Apps\App|null
      */
     public function findById($appId): ?App
@@ -53,7 +53,7 @@ public function findById($appId): ?App
     /**
      * Get app by app key.
      *
-     * @param  mixed  $appKey
+     * @param  string  $appKey
      * @return \BeyondCode\LaravelWebSockets\Apps\App|null
      */
     public function findByKey($appKey): ?App
@@ -68,7 +68,7 @@ public function findByKey($appKey): ?App
     /**
      * Get app by secret.
      *
-     * @param  mixed  $appSecret
+     * @param  string  $appSecret
      * @return \BeyondCode\LaravelWebSockets\Apps\App|null
      */
     public function findBySecret($appSecret): ?App