patron.gemspec in patron-0.4.16 vs patron.gemspec in patron-0.4.17

@@ -13,12 +13,12 @@
 
   s.required_rubygems_version = ">= 1.2.0"
   s.rubyforge_project = "patron"
 
   s.add_development_dependency "bundler", ">= 1.0.0"
-  s.add_development_dependency "rake-compiler", "~> 0.7.5"
-  s.add_development_dependency "rspec", "~> 2.3.0"
-  s.add_development_dependency "rcov", "~> 0.9.9"
+  s.add_development_dependency "rake-compiler", ">= 0.7.5"
+  s.add_development_dependency "rspec", ">= 2.3.0"
+  s.add_development_dependency "rcov", ">= 0.9.9"
 
   s.files        = `git ls-files`.split("\n")
   s.executables  = `git ls-files`.split("\n").map{|f| f =~ /^bin\/(.*)/ ? $1 : nil}.compact
   s.require_paths = ["lib", "ext"]
   s.extensions   = ["ext/patron/extconf.rb"]