diff --git a/github-linguist.gemspec b/github-linguist.gemspec
index a30e0f19..cb3955a6 100644
--- a/github-linguist.gemspec
+++ b/github-linguist.gemspec
@@ -16,7 +16,7 @@ Gem::Specification.new do |s|
   s.add_dependency 'charlock_holmes', '~> 0.7.3'
   s.add_dependency 'escape_utils',    '~> 1.0.1'
   s.add_dependency 'mime-types',      '~> 1.19'
-  s.add_dependency 'rugged',          '~> 0.21.1b2'
+  s.add_dependency 'rugged',          '~> 0.22.0b1'
 
   s.add_development_dependency 'mocha'
   s.add_development_dependency 'pry'
diff --git a/vendor/cache/rugged-0.21.1b2.gem b/vendor/cache/rugged-0.21.1b2.gem
deleted file mode 100644
index 1d5a7dc8..00000000
Binary files a/vendor/cache/rugged-0.21.1b2.gem and /dev/null differ
diff --git a/vendor/cache/rugged-0.22.0b1.gem b/vendor/cache/rugged-0.22.0b1.gem
new file mode 100644
index 00000000..fc533602
Binary files /dev/null and b/vendor/cache/rugged-0.22.0b1.gem differ