diff --git a/Gemfile.lock b/Gemfile.lock
index 58c45c5..16c1f4d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -96,7 +96,7 @@ GEM
       rdoc (~> 3.4)
       thor (~> 0.14.6)
     rake (0.9.2)
-    rdoc (3.9.1)
+    rdoc (3.9.2)
     simplecov (0.4.2)
       simplecov-html (~> 0.4.4)
     simplecov-html (0.4.5)