diff --git a/Gemfile.lock b/Gemfile.lock
index a1466d1..f186af1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -50,7 +50,7 @@ GEM
     rack (2.2.3)
     rake (10.5.0)
     rchardet (1.8.0)
-    rdoc (6.3.0)
+    rdoc (6.3.2)
     rspec (3.10.0)
       rspec-core (~> 3.10.0)
       rspec-expectations (~> 3.10.0)