diff --git a/Gemfile.lock b/Gemfile.lock
index 3d9eef3..4956bed 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -219,7 +219,7 @@ GEM
     regexp_parser (2.7.0)
     reline (0.3.3)
       io-console (~> 0.5)
-    rexml (3.3.3)
+    rexml (3.3.6)
       strscan
     rspec-core (3.12.2)
       rspec-support (~> 3.12.0)