diff --git a/Gemfile.lock b/Gemfile.lock
index 2873b4a..d0f0ac2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -18,8 +18,8 @@ GEM
       oauth2
     hashie (2.0.5)
     highline (1.6.20)
-    httparty (0.12.0)
-      json (~> 1.8)
+    httparty (0.21.0)
+      mini_mime (>= 1.0.0)
       multi_xml (>= 0.5.2)
     httpauth (0.2.0)
     jeweler (1.8.8)
@@ -31,12 +31,13 @@ GEM
       nokogiri (= 1.5.10)
       rake
       rdoc
-    json (1.8.1)
+    json (1.8.6)
     jwt (0.1.8)
       multi_json (>= 1.5)
     method_source (0.8.2)
+    mini_mime (1.1.2)
     multi_json (1.8.2)
-    multi_xml (0.5.5)
+    multi_xml (0.6.0)
     multipart-post (1.2.0)
     nokogiri (1.5.10)
     oauth2 (0.9.2)