diff --git a/Gemfile.lock b/Gemfile.lock
index 25cb3d1..9fc8acf 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -24,7 +24,7 @@ GEM
       parser (~> 3.2.0)
       rainbow (>= 2.0, < 4.0)
     regexp_parser (2.8.1)
-    rexml (3.3.3)
+    rexml (3.3.6)
       strscan
     rubocop (0.92.0)
       parallel (~> 1.10)