diff --git a/Gemfile b/Gemfile
index 2b8f094..369fe85 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,7 +4,7 @@ source 'https://rubygems.org'
 gem 'eventmachine', '1.0.3'
 gem 'thin', '1.5.1'
 gem 'sinatra', '1.2.6'
-gem 'httparty', '0.11.0'
+gem 'httparty', '0.21.0'
 gem 'uuid', '2.3.7'
 gem 'haml', '4.0.5'
 gem 'rspec', '2.14.1'
diff --git a/Gemfile.lock b/Gemfile.lock
index 4a3bfa9..3d29879 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -25,18 +25,19 @@ GEM
       multi_json (~> 1.3)
     haml (4.0.5)
       tilt
-    httparty (0.11.0)
-      multi_json (~> 1.0)
+    httparty (0.21.0)
+      mini_mime (>= 1.0.0)
       multi_xml (>= 0.5.2)
     json (1.8.1)
     json_pure (1.8.3)
     macaddr (1.7.1)
       systemu (~> 2.6.2)
     mime-types (2.6.2)
+    mini_mime (1.1.2)
     mini_portile2 (2.1.0)
-    multi_json (1.12.1)
+    multi_json (1.15.0)
     multi_test (0.1.2)
-    multi_xml (0.5.5)
+    multi_xml (0.6.0)
     nokogiri (1.6.8)
       mini_portile2 (~> 2.1.0)
       pkg-config (~> 1.1.7)
@@ -80,7 +81,7 @@ DEPENDENCIES
   cucumber (= 1.3.10)
   eventmachine (= 1.0.3)
   haml (= 4.0.5)
-  httparty (= 0.11.0)
+  httparty (= 0.21.0)
   json (= 1.8.1)
   json_pure (= 1.8.3)
   mime-types (= 2.6.2)