diff --git a/Gemfile.lock b/Gemfile.lock
index 432a064..e52d4cb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -81,7 +81,7 @@ GEM
     regexp_parser (2.9.2)
     reline (0.5.8)
       io-console (~> 0.5)
-    rexml (3.3.9)
+    rexml (3.4.2)
     rspec (3.8.0)
       rspec-core (~> 3.8.0)
       rspec-expectations (~> 3.8.0)
diff --git a/vendor/cache/rexml-3.3.9.gem b/vendor/cache/rexml-3.3.9.gem
deleted file mode 100644
index 2a9931d..0000000
Binary files a/vendor/cache/rexml-3.3.9.gem and /dev/null differ
diff --git a/vendor/cache/rexml-3.4.2.gem b/vendor/cache/rexml-3.4.2.gem
new file mode 100644
index 0000000..22ff50c
Binary files /dev/null and b/vendor/cache/rexml-3.4.2.gem differ