diff --git a/fedex.gemspec b/fedex.gemspec
index 043b139e..7237224a 100644
--- a/fedex.gemspec
+++ b/fedex.gemspec
@@ -16,8 +16,8 @@ Gem::Specification.new do |s|
 
   s.license = 'MIT'
 
-  s.add_dependency 'httparty',            '~> 0.12.0'
-  s.add_dependency 'nokogiri',            '~> 1.6.0'
+  s.add_dependency 'httparty',            '>= 0.14.0'
+  s.add_dependency 'nokogiri',            '>= 1.5.6'
 
   s.add_development_dependency "rspec",   '~> 2.9.0'
   s.add_development_dependency 'vcr',     '~> 2.0.0'
diff --git a/lib/fedex/request/base.rb b/lib/fedex/request/base.rb
index f420d506..28b91900 100644
--- a/lib/fedex/request/base.rb
+++ b/lib/fedex/request/base.rb
@@ -313,7 +313,7 @@ def hash_to_xml(xml, hash)
 
       # Parse response, convert keys to underscore symbols
       def parse_response(response)
-        response = sanitize_response_keys(response)
+        response = sanitize_response_keys(response.parsed_response)
       end
 
       # Recursively sanitizes the response object by cleaning up any hash keys.