diff --git a/Gemfile b/Gemfile
index 51f013d9..26d9a044 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,11 +1,11 @@
 source "https://rubygems.org"
 
-gem "typhoeus", "~>0.6.2"
+gem "typhoeus", ">=0.6.2"
 gem "nokogiri"
 gem "json"
 
 group :development, :test do
-  gem "webmock", "~>1.9.3"
+  gem "webmock", ">=1.9.3"
   gem "simplecov"
   gem "rspec", :require => "spec"
 end