diff --git a/Gemfile.lock b/Gemfile.lock
index 87f53ce..bfb384b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -97,7 +97,7 @@ GEM
       rdoc (~> 3.4)
       thor (>= 0.14.6, < 2.0)
     rake (10.0.3)
-    rdoc (3.12)
+    rdoc (3.12.2)
       json (~> 1.4)
     ref (1.0.2)
     sass (3.2.5)