Conclusion: don't install league/oauth2-server 5.1.5|keep league/oauth2-server 4.1.6|install lucadegasperi/oauth2-server-laravel 4.0.0|install lucadegasperi/oauth2-server-laravel 4.0.2|install lucadegasperi/oauth2-server-laravel 4.0.x-dev Conclusion: remove league/oauth2-server 4.1.6|install laravel/passport v1.0.18 Conclusion: don't install laravel/passport v1.0.18|install lucadegasperi/oauth2-server-laravel 4.0.0|install lucadegasperi/oauth2-server-laravel 4.0.2|install lucadegasperi/oauth2-server-laravel 4.0.x-dev Conclusion: don't install lucadegasperi/oauth2-server-laravel 4.0.0 Conclusion: don't install laravel/passport v1.0.18|don't install league/oauth2-server 4.1.1|install league/oauth2-server 5.1.1|install league/oauth2-server 5.1.2|install league/oauth2-server 5.1.3|install league/oauth2-server 5.1.4|install league/oauth2-server 5.1.5

Conclusion: don't install laravel/passport v1.0.18|don't install league/oauth2-server 4.1.2|install league/oauth2-server 5.1.2|install league/oauth2-server 5.1.3|install league/oauth2-server 5.1.4|install league/oauth2-server 5.1.5 Conclusion: don't install laravel/passport v1.0.18|don't install league/oauth2-server 4.1.3|install league/oauth2-server 5.1.3|install league/oauth2-server 5.1.4|install league/oauth2-server 5.1.5 Conclusion: don't install laravel/passport v1.0.18|don't install league/oauth2-server 4.1.4|install league/oauth2-server 5.1.4|install league/oauth2-server 5.1.5 Conclusion: don't install laravel/passport v1.0.18|don't install league/oauth2-server 4.1.5|install league/oauth2-server 5.1.5 Conclusion: remove lucadegasperi/oauth2-server-laravel 4.0.1 Conclusion: don't install lucadegasperi/oauth2-server-laravel 4.0.2

Conclusion: don't install lucadegasperi/oauth2-server-laravel 4.0.x-dev I got following error, Your requirements could not be resolved to an installable set of packages. When i try to install by, composer update When i try to install passport package by composer, i face lot of package stability issues. I can't install 'Passport' package in my laravel 5.5.

Passport encore 5.5 free