diff --git a/Gemfile.lock b/Gemfile.lock
index 656b383..b82c2ed 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -215,7 +215,7 @@ GEM
     regexp_parser (2.6.0)
     rexml (3.2.5)
     rouge (4.0.0)
-    rubocop (1.38.0)
+    rubocop (1.39.0)
       json (~> 2.3)
       parallel (~> 1.10)
       parser (>= 3.1.2.1)