diff --git a/Gemfile.lock b/Gemfile.lock
index 36b137e..880ac08 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -9,11 +9,9 @@ GEM
       git (>= 1.2.5)
       rake
       rdoc
-    json (1.6.5)
     nokogiri (1.5.2)
     rake (0.9.2.2)
-    rdoc (3.12)
-      json (~> 1.4)
+    rdoc (6.3.2)
     rspec (2.6.0)
       rspec-core (~> 2.6.0)
       rspec-expectations (~> 2.6.0)