diff --git a/Gemfile.lock b/Gemfile.lock
index 6d7ffafa..e025156e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -376,7 +376,7 @@ GEM
     rb-fsevent (0.10.3)
     rb-inotify (0.10.0)
       ffi (~> 1.0)
-    rdoc (6.1.1)
+    rdoc (6.3.2)
     redcarpet (3.4.0)
     regexp_parser (1.5.1)
     remotipart (1.4.3)