diff --git a/Gemfile b/Gemfile
index 5189a3b..e9c5165 100644
--- a/Gemfile
+++ b/Gemfile
@@ -66,6 +66,6 @@ gem 'name_of_person', '~> 1.1'
 gem 'omniauth-facebook', '~> 5.0'
 gem 'omniauth-github', '~> 1.3'
 gem 'omniauth-twitter', '~> 1.4'
-gem 'sidekiq', '~> 6.0', '>= 6.0.3'
+gem 'sidekiq', '~> 6.4'
 gem 'sitemap_generator', '~> 6.0', '>= 6.0.1'
 gem 'whenever', require: false
\ No newline at end of file
diff --git a/Gemfile.lock b/Gemfile.lock
index 9d205d8..13ab56f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -111,7 +111,7 @@ GEM
     childprocess (3.0.0)
     chronic (0.10.2)
     concurrent-ruby (1.1.5)
-    connection_pool (2.2.2)
+    connection_pool (2.2.5)
     crass (1.0.6)
     datetime_picker_rails (0.0.7)
       momentjs-rails (>= 2.8.1)
@@ -169,7 +169,9 @@ GEM
     marcel (0.3.3)
       mimemagic (~> 0.3.2)
     method_source (0.9.2)
-    mimemagic (0.3.3)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_magick (4.10.1)
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
@@ -215,9 +217,7 @@ GEM
     public_suffix (4.0.3)
     puma (4.3.1)
       nio4r (~> 2.0)
-    rack (2.1.1)
-    rack-protection (2.0.8.1)
-      rack
+    rack (2.2.3)
     rack-proxy (0.6.5)
       rack
     rack-test (1.1.0)
@@ -252,7 +252,7 @@ GEM
     rb-fsevent (0.10.3)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    redis (4.1.3)
+    redis (4.5.1)
     regexp_parser (1.6.0)
     responders (3.0.0)
       actionpack (>= 5.0)
@@ -273,11 +273,10 @@ GEM
     selenium-webdriver (3.142.7)
       childprocess (>= 0.5, < 4.0)
       rubyzip (>= 1.2.2)
-    sidekiq (6.0.4)
+    sidekiq (6.4.0)
       connection_pool (>= 2.2.2)
-      rack (>= 2.0.0)
-      rack-protection (>= 2.0.0)
-      redis (>= 4.1.0)
+      rack (~> 2.0)
+      redis (>= 4.2.0)
     sitemap_generator (6.1.0)
       builder (~> 3.0)
     spring (2.1.0)
@@ -350,7 +349,7 @@ DEPENDENCIES
   rails (~> 6.0.2, >= 6.0.2.1)
   sass-rails (>= 6)
   selenium-webdriver
-  sidekiq (~> 6.0, >= 6.0.3)
+  sidekiq (~> 6.4)
   sitemap_generator (~> 6.0, >= 6.0.1)
   spring
   spring-watcher-listen (~> 2.0.0)