diff --git a/Gemfile.lock b/Gemfile.lock
index 515f04db..a5148829 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -99,7 +99,8 @@ GEM
       tilt
     hashie (3.5.7)
     highline (1.7.10)
-    httparty (0.16.0)
+    httparty (0.21.0)
+      mini_mime (>= 1.0.0)
       multi_xml (>= 0.5.2)
     i18n (1.0.1)
       concurrent-ruby (~> 1.0)