http://ift.tt/1uUDdp4 file could not be downloaded: failed to open stream: Connection timed out in Laravel

I Already Installed Laravel Project. Its Work Perfectly when i installed. today i update laravel composer. its display Following Error.

**[Composer\Downloader\TransportException]
The "http://ift.tt/JZTrZY" file could not be downloaded: failed to open stream: Connection timed out

update [--prefer-source] [--prefer-dist] [--dry-run] [--dev] [--no-dev] [--lock] [--no-custom-installers] [--no-autoloader] [--no-scripts] [--no-progress] [--no-suggest] [--with-dependencies] [-v|vv|vvv|--verbose] [-o|--optimize-autoloader] [-a|--classmap-authoritative] [--ignore-platform-reqs] [--prefer-stable] [--prefer-lowest] [-i|--interactive] [--root-reqs] [--] []...**

via Chebli Mohamed