C:\OpenServer\domains\site.com>composer update
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Updating dependencies (including require-dev)
Your requirements could not be resolved to an installable set of packages.

  Problem 1
    - Conclusion: don't install laravel/framework v4.2.17
    - Conclusion: remove laravel/framework v4.2.16
    - Conclusion: don't install laravel/framework v4.2.16
    - Conclusion: don't install laravel/framework v4.2.15
    - Conclusion: don't install laravel/framework v4.2.14
    - Conclusion: don't install laravel/framework v4.2.13
    - Conclusion: don't install laravel/framework v4.2.12
    - Conclusion: don't install laravel/framework v4.2.11
    - Conclusion: don't install laravel/framework v4.2.10
    - Conclusion: don't install laravel/framework v4.2.9
    - Conclusion: don't install laravel/framework v4.2.8
    - Conclusion: don't install laravel/framework v4.2.7
    - Conclusion: don't install laravel/framework v4.2.6
    - Conclusion: don't install laravel/framework v4.2.5
    - Conclusion: don't install laravel/framework v4.2.4
    - Conclusion: don't install laravel/framework v4.2.3
    - Conclusion: don't install laravel/framework v4.2.2
    - Conclusion: don't install laravel/framework v4.2.1
    - greggilbert/recaptcha dev-master requires illuminate/support 5.0.* -> satisfiable by illuminate/support[v5.0.0, v5.0.4].
    - greggilbert/recaptcha dev-master requires illuminate/support 5.0.* -> satisfiable by illuminate/support[v5.0.0, v5.0.4].
    - don't install laravel/framework v4.2.0|don't install illuminate/support v5.0.0
    - don't install laravel/framework v4.2.0|don't install illuminate/support v5.0.4
    - Installation request for laravel/framework 4.2.* -> satisfiable by laravel/framework[v4.2.0, v4.2.1, v4.2.10, v4.2.11, v4.2.12, v4.2.13, v4.2.14, v4.2.15, v4.2.16, v4.2.17, v4.2.2, v4.2.3, v4.2.4, v4.2.5, v4.2.6, v4.2.7, v4.2.8, v4.2.9].
    - Installation request for greggilbert/recaptcha dev-master -> satisfiable by greggilbert/recaptcha[dev-master].