diff --git a/Gemfile.lock b/Gemfile.lock
index 540a61d..132c314 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -30,7 +30,7 @@ GEM
       rack (>= 3)
     rainbow (3.0.0)
     regexp_parser (2.1.1)
-    rexml (3.3.9)
+    rexml (3.4.2)
     rspec (3.10.0)
       rspec-core (~> 3.10.0)
       rspec-expectations (~> 3.10.0)