diff --git a/Gemfile.lock b/Gemfile.lock
index 6942989..9798c9a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -186,7 +186,7 @@ GEM
     rainbow (3.1.1)
     rake (13.0.6)
     regexp_parser (2.6.1)
-    rexml (3.2.5)
+    rexml (3.3.9)
     rspec-core (3.12.0)
       rspec-support (~> 3.12.0)
     rspec-expectations (3.12.0)