diff --git a/Gemfile.lock b/Gemfile.lock
index 29c6bfa..faf2c68 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -52,7 +52,7 @@ GEM
     rainbow (3.1.1)
     rake (13.0.6)
     regexp_parser (2.2.1)
-    rexml (3.2.5)
+    rexml (3.3.9)
     rubocop (1.25.1)
       parallel (~> 1.10)
       parser (>= 3.1.0.0)