Gemfile in geo_calc-0.5.1 vs Gemfile in geo_calc-0.5.2

@@ -1,10 +1,11 @@
 source "http://rubygems.org"
 
 # Add dependencies to develop your gem here.
 # Include everything needed to run rake, tests, features, etc.
 group :development do
-  gem "rspec", ">= 2.5.0"
-  gem "bundler", "~> 1.0.0"
-  gem "jeweler", "~> 1.5.2"
-  gem "rcov", ">= 0"
+  gem "rspec",    ">= 2.5.0"
+  gem "bundler",  ">= 1"
+  gem "jeweler",  ">= 1.5.2"
+  gem "rcov",     ">= 0"
+  gem "rake",     ">= 0.9"
 end