diff --git a/airtable.gemspec b/airtable.gemspec
index ae7e853..ccfcc87 100644
--- a/airtable.gemspec
+++ b/airtable.gemspec
@@ -18,7 +18,7 @@ Gem::Specification.new do |spec|
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ["lib"]
 
-  spec.add_dependency "httparty", "~> 0.14.0"
+  spec.add_dependency "httparty", ">= 0.21.0"
   spec.add_dependency "activesupport", ">= 3.0"
 
   spec.add_development_dependency "bundler", "~> 1.6"