diff --git a/Gemfile.lock b/Gemfile.lock
index b219e8420..68246482f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -9,7 +9,7 @@ GEM
     rainbow (3.1.1)
     regexp_parser (2.6.0)
     rexml (3.2.5)
-    rubocop (1.38.0)
+    rubocop (1.39.0)
       json (~> 2.3)
       parallel (~> 1.10)
       parser (>= 3.1.2.1)