diff --git a/Gemfile.lock b/Gemfile.lock
index 0cfb00d..4d60102 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -190,7 +190,7 @@ GEM
     regexp_parser (1.8.0)
     rexml (3.2.4)
     rouge (3.23.0)
-    rubocop (0.91.0)
+    rubocop (0.91.1)
       parallel (~> 1.10)
       parser (>= 2.7.1.1)
       rainbow (>= 2.2.2, < 4.0)