diff --git a/Gemfile.lock b/Gemfile.lock
index d862b1e..819351e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -11,10 +11,12 @@ GEM
       rubyforge (>= 2.0.4)
     eventmachine (0.12.10)
     gemcutter (0.7.0)
+    json (1.8.6)
     json_pure (1.6.1)
     rack (1.3.3)
     rake (0.9.2)
-    rdoc (3.9.4)
+    rdoc (3.12.1)
+      json (~> 1.4)
     rubyforge (2.0.4)
       json_pure (>= 1.1.7)
     thin (1.2.11)