diff --git a/Gemfile.lock b/Gemfile.lock
index e713842..73a846e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -96,7 +96,8 @@ GEM
       rack-accept
       virtus (>= 1.0.0)
     hike (1.2.3)
-    httparty (0.16.2)
+    httparty (0.21.0)
+      mini_mime (>= 1.0.0)
       multi_xml (>= 0.5.2)
     i18n (0.9.5)
       concurrent-ruby (~> 1.0)
@@ -118,6 +119,7 @@ GEM
       treetop (~> 1.4.8)
     memoist (0.16.0)
     mime-types (1.25.1)
+    mini_mime (1.1.2)
     multi_json (1.13.1)
     multi_xml (0.6.0)
     multipart-post (2.1.1)