diff --git a/Gemfile.lock b/Gemfile.lock
index 9904895..1adf09e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -13,14 +13,12 @@ GEM
       mocha (= 0.10.5)
     curb (0.8.3)
     i18n (0.6.4)
-    json (1.7.7)
     metaclass (0.0.1)
     mocha (0.10.5)
       metaclass (~> 0.0.1)
     multi_json (1.6.1)
     rake (10.0.3)
-    rdoc (4.0.0)
-      json (~> 1.4)
+    rdoc (6.3.2)
     shoulda (3.3.2)
       shoulda-context (~> 1.0.1)
       shoulda-matchers (~> 1.4.1)