bundle install not install the gems

i was having a problem when im running bundle install, and the process are not fecth completely

to fix that i just have one source on my .gemrc file

---
:update_sources: true
:sources:
- http://gems.github.com
:benchmark: false
:bulk_threshold: 1000
:backtrace: false
:verbose: true
gem: --no-ri --no-rdoc