{ "name": "example-app", "repositories": [ { "type": "pear", "url": "http://pear.cakephp.org" } ], "require": { "cakephp/cakephp": ">=2.6.4,<3.0.0" }, "require-dev": { "phpunit/phpunit": "3.7.37", "cakephp/debug_kit" : ">=2.2.4,<3.0.0" }, "config": { "vendor-dir": "vendors/" }, "extra": { "installer-paths": { "./plugins/{$name}/": [ "cakephp/debug_kit" ] } } } 現在CakePHP2系の最新版が2.6.4なので、requireにてバージ