diff --git a/Gemfile.lock b/Gemfile.lock
index 9ce3d04..6ed91a7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -33,7 +33,7 @@ GEM
     regexp_parser (2.9.2)
     reline (0.5.10)
       io-console (~> 0.5)
-    rexml (3.3.7)
+    rexml (3.3.9)
     rspec (3.13.0)
       rspec-core (~> 3.13.0)
       rspec-expectations (~> 3.13.0)