diff --git a/Gemfile b/Gemfile
index b3fd2c7a7..6868dc625 100644
--- a/Gemfile
+++ b/Gemfile
@@ -24,7 +24,7 @@ gem 'espeak-ruby', '>= 1.0.4' # Text-to-Voice
 gem 'rake', '>= 13.0'
 gem 'otr-activerecord', '>= 1.4.2'
 gem 'sqlite3'
-gem 'rubocop', '~> 1.38.0', require: false
+gem 'rubocop', '~> 1.39.0', require: false
 
 # Geolocation support
 group :geoip do
diff --git a/Gemfile.lock b/Gemfile.lock
index 2b0784772..7adb00c90 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -165,7 +165,7 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.12.0)
     rspec-support (3.12.0)
-    rubocop (1.38.0)
+    rubocop (1.39.0)
       json (~> 2.3)
       parallel (~> 1.10)
       parser (>= 3.1.2.1)
@@ -288,7 +288,7 @@ DEPENDENCIES
   rdoc
   rest-client (>= 2.1.0)
   rspec
-  rubocop (~> 1.38.0)
+  rubocop (~> 1.39.0)
   rubyzip (>= 1.2.2)
   rushover
   selenium-webdriver