$ composer update Loading composer repositories with package information Updating dependencies (including require-dev) - Installing guzzlehttp/promises (1.3.0) Loading from cache - Installing psr/http-message (1.0.1) Loading from cache - Installing guzzlehttp/psr7 (1.3.1) Loading from cache - Installing guzzlehttp/guzzle (6.2.2) Loading from cache - Installing ircmaxell/security-lib (v1.1.0) Loadi