diff --git a/Gemfile b/Gemfile
index 8bf7df64..2986435a 100644
--- a/Gemfile
+++ b/Gemfile
@@ -16,7 +16,7 @@ gem 'pg', '~> 0.20'
 gem 'connection_pool', '~> 2.2'
 
 # Backend jobs
-gem 'redis', '~> 3.0'
+gem 'redis', '~> 4.5'
 gem 'redis-namespace'
 gem 'redis-objects'
 gem 'resque'
diff --git a/Gemfile.lock b/Gemfile.lock
index b1b2a909..162d0e57 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -236,11 +236,11 @@ GEM
     rb-fsevent (0.10.4)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    redis (3.3.5)
+    redis (4.5.1)
     redis-namespace (1.8.1)
       redis (>= 3.0.4)
-    redis-objects (1.3.1)
-      redis (~> 3.3)
+    redis-objects (1.5.1)
+      redis (~> 4.2)
     reform (2.6.0)
       disposable (~> 0.5.0)
       representable (>= 3.1.1, < 3.2.0)
@@ -318,11 +318,10 @@ GEM
     shellany (0.0.1)
     shoulda-matchers (4.5.1)
       activesupport (>= 4.2.0)
-    sidekiq (5.2.9)
-      connection_pool (~> 2.2, >= 2.2.2)
+    sidekiq (6.4.0)
+      connection_pool (>= 2.2.2)
       rack (~> 2.0)
-      rack-protection (>= 1.5.0)
-      redis (>= 3.3.5, < 4.2)
+      redis (>= 4.2.0)
     sidekiq-cron (1.2.0)
       fugit (~> 1.1)
       sidekiq (>= 4.2.1)
@@ -439,7 +438,7 @@ DEPENDENCIES
   rack-cors
   rails (~> 5.0.7.2)
   rails_best_practices
-  redis (~> 3.0)
+  redis (~> 4.5)
   redis-namespace
   redis-objects
   resque