diff --git a/Gemfile.lock b/Gemfile.lock
index 1c28da1..24051b0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -38,20 +38,20 @@ GEM
     guard-rspec (3.1.0)
       guard (>= 1.8)
       rspec (~> 2.13)
-    httparty (0.12.0)
-      json (~> 1.8)
+    httparty (0.21.0)
+      mini_mime (>= 1.0.0)
       multi_xml (>= 0.5.2)
     i18n (0.6.5)
-    json (1.8.1)
     listen (1.3.1)
       rb-fsevent (>= 0.9.3)
       rb-inotify (>= 0.9)
       rb-kqueue (>= 0.2)
     lumberjack (1.0.4)
     method_source (0.8.2)
+    mini_mime (1.1.2)
     minitest (4.7.5)
     multi_json (1.8.2)
-    multi_xml (0.5.5)
+    multi_xml (0.6.0)
     pry (0.9.12.2)
       coderay (~> 1.0.5)
       method_source (~> 0.8)