خطا در نصب api passport در لاراول

سلام دوستان من میخوام احراز هویت رو با api حل کنم ولی وقتی میخوام پکیج مربوطه رو نصب کنم با خطای زیر مواجه میشم ،ممنون میشم راهنمایی کنید.

D:\xampp\htdocs\laravel\tour_2>composer require laravel/passport
Using version ^8.0 for laravel/passport
./composer.json has been updated
Loading composer repositories with package information
Updating dependencies (including require-dev)
Your requirements could not be resolved to an installable set of packages.

  Problem 1
    - Conclusion: remove laravel/framework v5.8.35
    - Conclusion: don't install laravel/framework v5.8.35
    - laravel/passport 8.x-dev requires illuminate/encryption ^6.0|^7.0 -> satisfiable by illuminate/encryption[6.x-dev, 7.0.x-dev, v6.0.0, v6.0.1, v6.0.2, v6.0.3, v6.0.4, v6.1.0, v6.2.0
, v6.3.0, v6.4.1, v6.5.0].
    - laravel/passport v8.0.0 requires illuminate/encryption ^6.0|^7.0 -> satisfiable by illuminate/encryption[6.x-dev, 7.0.x-dev, v6.0.0, v6.0.1, v6.0.2, v6.0.3, v6.0.4, v6.1.0, v6.2.0,
 v6.3.0, v6.4.1, v6.5.0].
    - don't install illuminate/encryption 6.x-dev|don't install laravel/framework v5.8.35
    - don't install illuminate/encryption 7.0.x-dev|don't install laravel/framework v5.8.35
    - don't install illuminate/encryption v6.0.0|don't install laravel/framework v5.8.35
    - don't install illuminate/encryption v6.0.1|don't install laravel/framework v5.8.35
    - don't install illuminate/encryption v6.0.2|don't install laravel/framework v5.8.35
    - don't install illuminate/encryption v6.0.3|don't install laravel/framework v5.8.35
    - don't install illuminate/encryption v6.0.4|don't install laravel/framework v5.8.35
    - don't install illuminate/encryption v6.1.0|don't install laravel/framework v5.8.35
    - don't install illuminate/encryption v6.2.0|don't install laravel/framework v5.8.35
    - don't install illuminate/encryption v6.3.0|don't install laravel/framework v5.8.35
    - don't install illuminate/encryption v6.4.1|don't install laravel/framework v5.8.35
    - don't install illuminate/encryption v6.5.0|don't install laravel/framework v5.8.35
    - Installation request for laravel/framework (locked at v5.8.35, required as 5.8.*) -> satisfiable by laravel/framework[v5.8.35].
    - Installation request for laravel/passport ^8.0 -> satisfiable by laravel/passport[8.x-dev, v8.0.0].

Installation failed, reverting ./composer.json to its original content.