diff --git a/Gemfile.lock b/Gemfile.lock
index d1ba6ec..2aac109 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -62,7 +62,8 @@ GEM
     globalid (0.4.0)
       activesupport (>= 4.2.0)
     hashie (3.5.5)
-    httparty (0.15.5)
+    httparty (0.21.0)
+      mini_mime (>= 1.0.0)
       multi_xml (>= 0.5.2)
     i18n (0.8.4)
     jbuilder (2.7.0)
@@ -85,6 +86,7 @@ GEM
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
+    mini_mime (1.1.2)
     mini_portile (0.6.2)
     minitest (5.10.2)
     multi_json (1.12.1)