diff --git a/Gemfile.lock b/Gemfile.lock
index 390a491..5adbdd9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -66,7 +66,7 @@ GEM
       ast (~> 2.4.0)
     rainbow (3.0.0)
     rake (13.0.1)
-    rexml (3.3.9)
+    rexml (3.4.2)
     rspec (3.9.0)
       rspec-core (~> 3.9.0)
       rspec-expectations (~> 3.9.0)