diff --git a/Gemfile.lock b/Gemfile.lock
index 2dad546..ded3b03 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -104,7 +104,7 @@ GEM
     rainbow (3.1.1)
     rake (13.3.0)
     regexp_parser (2.9.2)
-    rexml (3.3.9)
+    rexml (3.4.2)
     rspec (3.13.0)
       rspec-core (~> 3.13.0)
       rspec-expectations (~> 3.13.0)
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