diff --git a/Gemfile.lock b/Gemfile.lock
index 9d5b5bc..3c72676 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -85,7 +85,7 @@ GEM
     rainbow (3.0.0)
     rake (13.0.1)
     regexp_parser (1.7.1)
-    rexml (3.3.9)
+    rexml (3.4.2)
     rspec (3.9.0)
       rspec-core (~> 3.9.0)
       rspec-expectations (~> 3.9.0)