diff --git a/Gemfile.lock b/Gemfile.lock
index 2e070663..744b2b54 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -233,7 +233,8 @@ GEM
     htmlentities (4.3.4)
     http-cookie (1.0.3)
       domain_name (~> 0.5)
-    httparty (0.16.2)
+    httparty (0.21.0)
+      mini_mime (>= 1.0.0)
       multi_xml (>= 0.5.2)
     i18n (1.6.0)
       concurrent-ruby (~> 1.0)