diff --git a/Gemfile.lock b/Gemfile.lock
index 9d5a7d6..715bf35 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -193,12 +193,12 @@ GEM
     regexp_parser (2.3.1)
     rexml (3.2.5)
     rouge (3.28.0)
-    rubocop (1.28.2)
+    rubocop (1.29.0)
       parallel (~> 1.10)
       parser (>= 3.1.0.0)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 1.8, < 3.0)
-      rexml
+      rexml (>= 3.2.5, < 4.0)
       rubocop-ast (>= 1.17.0, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 1.4.0, < 3.0)