diff --git a/src/Auth/Authentication/JWTAuthentication.php b/src/Auth/Authentication/JWTAuthentication.php
index 8545c59..7100ae0 100644
--- a/src/Auth/Authentication/JWTAuthentication.php
+++ b/src/Auth/Authentication/JWTAuthentication.php
@@ -254,7 +254,7 @@ public function login(array $credentials = []): array
                       'permissions' => $permissions,
                   ])
                   ->sign();
-        $refreshToken = Str::randomToken(24);
+        $refreshToken = bin2hex(random_bytes(20));
         $jwtToken = $this->jwt->getToken();
 
         $token = $this->tokenRepository->create([