diff --git a/Gemfile.lock b/Gemfile.lock
index 30804ea..945ecf4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -21,11 +21,9 @@ GEM
     builder (3.0.4)
     crack (0.1.8)
     i18n (0.6.4)
-    json (1.7.7)
     multi_json (1.6.1)
     rake (0.9.2)
-    rdoc (3.12.1)
-      json (~> 1.4)
+    rdoc (6.3.2)
     shoulda (2.11.3)
     webmock (1.6.2)
       addressable (>= 2.2.2)