diff --git a/Gemfile.lock b/Gemfile.lock
index 182c88267..b9cab8a4e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -641,7 +641,7 @@ GEM
       json (>= 1.8)
       nokogiri (~> 1.5)
       optimist (~> 3.0)
-    rdoc (6.2.1)
+    rdoc (6.3.2)
     recaptcha (5.6.0)
       json
     redcarpet (3.5.0)