diff --git a/Gemfile.lock b/Gemfile.lock
index b9828de..d6c65fa 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -190,7 +190,7 @@ GEM
     regexp_parser (1.7.1)
     rexml (3.2.4)
     rouge (3.21.0)
-    rubocop (0.87.1)
+    rubocop (0.88.0)
       parallel (~> 1.10)
       parser (>= 2.7.1.1)
       rainbow (>= 2.2.2, < 4.0)