I am trying to upgrade laravel from version 5.4 to 5.5. I did everything with the instructions from the laravel guide:
https://laravel.com/docs/master/upgrade
When I try to use the command:
composer update
result:
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
- The requested package laravel/framework 5.5.* is satisfiable by laravel/framework[5.5.x-dev] but these conflict with your requirements or minimum-stability.
Below I show the composer.json file :
{
"name": "laravel/laravel",
"description": "The Laravel Framework.",
"keywords": ["framework", "laravel"],
"license": "MIT",
"type": "project",
"require": {
"php": ">=5.6.4",
"doctrine/dbal": "^2.5",
"intervention/image": "^2.3",
"laravel/framework": "5.5.*",
"laravel/tinker": "~1.0",
"laravelcollective/html": "^5.4.0",
"unisharp/laravel-filemanager": "^1.7"
},
"require-dev": {
"fzaninotto/faker": "~1.4",
"mockery/mockery": "0.9.*",
"phpunit/phpunit": "~6.0"
},
"autoload": {
"classmap": [
"database"
],
"psr-4": {
"artSite\\": "app/"
}
},
"autoload-dev": {
"psr-4": {
"Tests\\": "tests/"
}
},
"scripts": {
"post-root-package-install": [
"php -r \"file_exists('.env') || copy('.env.example', '.env');\""
],
"post-create-project-cmd": [
"php artisan key:generate"
],
"post-install-cmd": [
"Illuminate\\Foundation\\ComposerScripts::postInstall",
"php artisan optimize"
],
"post-update-cmd": [
"Illuminate\\Foundation\\ComposerScripts::postUpdate",
"php artisan optimize"
]
},
"config": {
"preferred-install": "dist",
"sort-packages": true
}
}
I will be grateful for the help. Regards