diff --git a/Gemfile b/Gemfile
index 4df3f66..99229da 100644
--- a/Gemfile
+++ b/Gemfile
@@ -21,7 +21,7 @@ group :production do
   gem 'rails_12factor'
 end
 
-gem 'httparty', '0.13.5'
+gem 'httparty', '0.21.0'
 
 # Windows does not include zoneinfo files, so bundle the tzinfo-data gem
 gem 'tzinfo-data', platforms: [:mingw, :mswin]
diff --git a/Gemfile.lock b/Gemfile.lock
index 2c6b065..071c515 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -55,8 +55,8 @@ GEM
     ffi (1.9.25)
     globalid (0.4.1)
       activesupport (>= 4.2.0)
-    httparty (0.13.5)
-      json (~> 1.8)
+    httparty (0.21.0)
+      mini_mime (>= 1.0.0)
       multi_xml (>= 0.5.2)
     i18n (0.9.5)
       concurrent-ruby (~> 1.0)
@@ -164,7 +164,7 @@ PLATFORMS
 DEPENDENCIES
   byebug
   coffee-rails (~> 4.1.0)
-  httparty (= 0.13.5)
+  httparty (= 0.21.0)
   jbuilder (~> 2.0)
   jquery-rails
   pg