bundle updateしたらエラーがでた

    $ bundle update
        /Users/hoge/.rbenv/versions/2.1.1/lib/ruby/site_ruby/2.1.0/rubygems/core_ext/kernel_require.rb:54:in `require': dlopen(/Users/hoge/.rbenv/versions/2.1.1/lib/ruby/2.1.0/x86_64-darwin13.0/openssl.bundle, 9): Symbol not found: _SSLv2_client_method (LoadError)
      Referenced from: /Users/hoge/.rbenv/versions/2.1.1/lib/ruby/2.1.0/x86_64-darwin13.0/openssl.bundle
      Expected in: /usr/local/opt/openssl/lib/libssl.1.0.0.dylib
    in /Users/hoge/.rbenv/versions/2.1.1/lib/ruby/2.1.0/x86_64-darwin13.0/openssl.bundle - /Users/hoge/.rbenv/versions/2.1.1/lib/ruby/2.1.0/x86_64-darwin13.0/openssl.bundle
      from /Users/hoge/.rbenv/versions/2.1.1/lib/ruby/site_ruby/2.1.0/rubygems/core_ext/kernel_require.rb:54:in `require'
      from /Users/hoge/.rbenv/versions/2.1.1/lib/ruby/2.1.0/openssl.rb:17:in `<top (required)>'
      from /Users/hoge/.rbenv/versions/2.1.1/lib/ruby/site_ruby/2.1.0/rubygems/core_ext/kernel_require.rb:54:in `require'
      from /Users/hoge/.rbenv/versions/2.1.1/lib/ruby/site_ruby/2.1.0/rubygems/core_ext/kernel_require.rb:54:in `require'
      from /Users/hoge/.rbenv/versions/2.1.1/lib/ruby/site_ruby/2.1.0/rubygems/security.rb:11:in `<top (required)>'
      from /Users/hoge/.rbenv/versions/2.1.1/lib/ruby/site_ruby/2.1.0/rubygems/core_ext/kernel_require.rb:54:in `require'
      from /Users/hoge/.rbenv/versions/2.1.1/lib/ruby/site_ruby/2.1.0/rubygems/core_ext/kernel_require.rb:54:in `require'
      from /Users/hoge/.rbenv/versions/2.1.1/lib/ruby/site_ruby/2.1.0/rubygems/package.rb:43:in `<top (required)>'
      from /Users/hoge/.rbenv/versions/2.1.1/lib/ruby/site_ruby/2.1.0/rubygems/core_ext/kernel_require.rb:54:in `require'
      from /Users/hoge/.rbenv/versions/2.1.1/lib/ruby/site_ruby/2.1.0/rubygems/core_ext/kernel_require.rb:54:in `require'
      from /Users/hoge/.rbenv/versions/2.1.1/lib/ruby/site_ruby/2.1.0/rubygems/dependency_installer.rb:3:in `<top (required)>'
      from /Users/hoge/.rbenv/versions/2.1.1/lib/ruby/site_ruby/2.1.0/rubygems/core_ext/kernel_require.rb:54:in `require'
      from /Users/hoge/.rbenv/versions/2.1.1/lib/ruby/site_ruby/2.1.0/rubygems/core_ext/kernel_require.rb:54:in `require'
      from /Users/hoge/.rbenv/versions/2.1.1/lib/ruby/gems/2.1.0/gems/bundler-1.7.2/lib/bundler/installer.rb:2:in `<top (required)>'
      from /Users/hoge/.rbenv/versions/2.1.1/lib/ruby/gems/2.1.0/gems/bundler-1.7.2/lib/bundler/cli/update.rb:51:in `run'
      from /Users/hoge/.rbenv/versions/2.1.1/lib/ruby/gems/2.1.0/gems/bundler-1.7.2/lib/bundler/cli.rb:167:in `update'
      from /Users/hoge/.rbenv/versions/2.1.1/lib/ruby/gems/2.1.0/gems/bundler-1.7.2/lib/bundler/vendor/thor/command.rb:27:in `run'
      from /Users/hoge/.rbenv/versions/2.1.1/lib/ruby/gems/2.1.0/gems/bundler-1.7.2/lib/bundler/vendor/thor/invocation.rb:121:in `invoke_command'
      from /Users/hoge/.rbenv/versions/2.1.1/lib/ruby/gems/2.1.0/gems/bundler-1.7.2/lib/bundler/vendor/thor.rb:363:in `dispatch'
      from /Users/hoge/.rbenv/versions/2.1.1/lib/ruby/gems/2.1.0/gems/bundler-1.7.2/lib/bundler/vendor/thor/base.rb:440:in `start'
      from /Users/hoge/.rbenv/versions/2.1.1/lib/ruby/gems/2.1.0/gems/bundler-1.7.2/lib/bundler/cli.rb:9:in `start'
      from /Users/hoge/.rbenv/versions/2.1.1/lib/ruby/gems/2.1.0/gems/bundler-1.7.2/bin/bundle:20:in `block in <top (required)>'
      from /Users/hoge/.rbenv/versions/2.1.1/lib/ruby/gems/2.1.0/gems/bundler-1.7.2/lib/bundler/friendly_errors.rb:5:in `with_friendly_errors'
      from /Users/hoge/.rbenv/versions/2.1.1/lib/ruby/gems/2.1.0/gems/bundler-1.7.2/bin/bundle:18:in `<top (required)>'
      from /Users/hoge/.rbenv/versions/2.1.1/bin/bundle:23:in `load'
      from /Users/hoge/.rbenv/versions/2.1.1/bin/bundle:23:in `<main>'

こういった感じのエラーが出た
rbenvが古いのかなって思ったけどbrew upgradeできないのでインターネットで調べたらrubyのversionを2.1.2にしろってことらしい
早速やってみる

$ rbenv install 2.1.2
$ rbenv global 2.1.2
$ gem install bundler

これでいつもどおりbundle update出来るようになった