diff --git a/config/Gemfile.lock b/config/Gemfile.lock
index 83338bc..4929d2d 100644
--- a/config/Gemfile.lock
+++ b/config/Gemfile.lock
@@ -31,7 +31,7 @@ GEM
     racc (1.7.3-java)
     rainbow (3.1.1)
     regexp_parser (2.8.2)
-    rexml (3.2.6)
+    rexml (3.3.9)
     rspec (3.12.0)
       rspec-core (~> 3.12.0)
       rspec-expectations (~> 3.12.0)