diff --git a/Gemfile.lock b/Gemfile.lock
index b42e040..75c9d65 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,9 +2,11 @@ GEM
   remote: https://rubygems.org/
   specs:
     fakeweb (1.3.0)
-    httparty (0.14.0)
+    httparty (0.21.0)
+      mini_mime (>= 1.0.0)
       multi_xml (>= 0.5.2)
     json (2.0.2)
+    mini_mime (1.1.2)
     minitest (5.10.1)
     multi_xml (0.6.0)
     rake (12.0.0)