diff --git a/Gemfile.lock b/Gemfile.lock
index d9930e1..b318855 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -45,7 +45,8 @@ GEM
     hitimes (1.2.3)
     hooks (0.4.1)
       uber (~> 0.0.14)
-    httparty (0.16.0)
+    httparty (0.21.0)
+      mini_mime (>= 1.0.0)
       multi_xml (>= 0.5.2)
     i18n (0.7.0)
     json (1.8.6)
@@ -82,6 +83,7 @@ GEM
       sprockets (~> 2.12.1)
       sprockets-helpers (~> 1.1.0)
       sprockets-sass (~> 1.3.0)
+    mini_mime (1.1.2)
     minitest (5.8.3)
     multi_json (1.13.1)
     multi_xml (0.6.0)