diff --git a/Gemfile.lock b/Gemfile.lock
index 5ed0748..6c1c3ca 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -81,7 +81,8 @@ GEM
     ffi (1.9.18)
     globalid (0.4.0)
       activesupport (>= 4.2.0)
-    httparty (0.15.6)
+    httparty (0.21.0)
+      mini_mime (>= 1.0.0)
       multi_xml (>= 0.5.2)
     i18n (0.8.6)
     jbuilder (2.7.0)
@@ -104,6 +105,7 @@ GEM
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
+    mini_mime (1.1.2)
     mini_portile2 (2.2.0)
     minitest (5.10.3)
     multi_json (1.12.1)