diff --git a/Gemfile b/Gemfile
index 727c32f..47f7f3e 100644
--- a/Gemfile
+++ b/Gemfile
@@ -15,7 +15,7 @@ gem 'pg', '~> 1.2.3'
 gem 'puma', '~> 5.5.2'
 gem 'rails', '~> 6.1.4.4'
 gem 'sassc-rails', '~> 2.1.2'
-gem 'sidekiq', '~> 6.3.1'
+gem 'sidekiq', '~> 6.4.0'
 gem 'sprockets-rails', '~> 3.4.2'
 gem 'uglifier', '~> 4.2.0'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 82acf05..7f8d028 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -235,7 +235,7 @@ GEM
       tilt
     shoulda-matchers (5.1.0)
       activesupport (>= 5.2.0)
-    sidekiq (6.3.1)
+    sidekiq (6.4.0)
       connection_pool (>= 2.2.2)
       rack (~> 2.0)
       redis (>= 4.2.0)
@@ -293,7 +293,7 @@ DEPENDENCIES
   rubocop-rspec (~> 2.7.0)
   sassc-rails (~> 2.1.2)
   shoulda-matchers (~> 5.1.0)
-  sidekiq (~> 6.3.1)
+  sidekiq (~> 6.4.0)
   simplecov (~> 0.21.2)
   spring (~> 4.0.0)
   sprockets-rails (~> 3.4.2)