diff --git a/Gemfile.lock b/Gemfile.lock
index 7a413ed..5ed52fb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -244,7 +244,7 @@ GEM
     rainbow (3.0.0)
     rake (13.0.6)
     regexp_parser (2.1.1)
-    rexml (3.2.5)
+    rexml (3.3.9)
     rspec-core (3.10.1)
       rspec-support (~> 3.10.0)
     rspec-expectations (3.10.1)