diff --git a/Gemfile b/Gemfile
index db47ec5..ce28277 100644
--- a/Gemfile
+++ b/Gemfile
@@ -17,7 +17,7 @@ gem 'whenever', '~> 1.0'
 group :development, :test do
   gem 'pry-byebug', '~> 3.9'
   gem 'pry-rails', '~> 0.3.4'
-  gem 'rubocop', '~> 1.38'
+  gem 'rubocop', '~> 1.39'
   gem 'rubocop-performance', '~> 1.15'
   gem 'rubocop-rake', '~> 0.6.0'
 end
diff --git a/Gemfile.lock b/Gemfile.lock
index bf9bdc9..741a30c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -57,7 +57,7 @@ GEM
     rake (13.0.6)
     regexp_parser (2.6.1)
     rexml (3.2.5)
-    rubocop (1.38.0)
+    rubocop (1.39.0)
       json (~> 2.3)
       parallel (~> 1.10)
       parser (>= 3.1.2.1)
@@ -111,7 +111,7 @@ DEPENDENCIES
   persist (~> 1.0)
   pry-byebug (~> 3.9)
   pry-rails (~> 0.3.4)
-  rubocop (~> 1.38)
+  rubocop (~> 1.39)
   rubocop-performance (~> 1.15)
   rubocop-rake (~> 0.6.0)
   twitter (~> 7.0)