diff --git a/Gemfile.lock b/Gemfile.lock
index 03e9d99..6fcb59e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -61,7 +61,7 @@ GEM
     rake (13.0.6)
     rdiscount (2.2.7.1)
     regexp_parser (2.7.0)
-    rexml (3.3.9)
+    rexml (3.4.2)
     rspec (3.11.0)
       rspec-core (~> 3.11.0)
       rspec-expectations (~> 3.11.0)