diff --git a/Gemfile.lock b/Gemfile.lock
index 017378b..dd81442 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -14,7 +14,8 @@ GEM
     http_router (0.11.2)
       rack (>= 1.0.0)
       url_mount (~> 0.2.1)
-    httparty (0.15.5)
+    httparty (0.21.0)
+      mini_mime (>= 1.0.0)
       multi_xml (>= 0.5.2)
     i18n (0.8.5)
     ice_nine (0.11.2)
@@ -54,6 +55,7 @@ GEM
       httparty (>= 0.11)
       json
       trollop (>= 2.0)
+    mini_mime (1.1.2)
     multi_json (1.12.1)
     multi_xml (0.6.0)
     multipart-post (2.0.0)