diff --git a/Gemfile b/Gemfile
index 84012125b8..d8ab26b13e 100644
--- a/Gemfile
+++ b/Gemfile
@@ -40,7 +40,7 @@ gem 'i18n-js'
 gem 'rails-i18n', '~> 7.0.0'
 
 # Redis
-gem 'redis', '~> 4.8.1'
+gem 'redis', '~> 5.3.0'
 
 # Exam template requirements
 gem 'combine_pdf'
diff --git a/Gemfile.lock b/Gemfile.lock
index 5bb8fe78ea..8589685507 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -357,7 +357,10 @@ GEM
     rdoc (6.7.0)
       psych (>= 4.0.0)
     redcarpet (3.6.0)
-    redis (4.8.1)
+    redis (5.3.0)
+      redis-client (>= 0.22.0)
+    redis-client (0.22.2)
+      connection_pool
     redis-namespace (1.11.0)
       redis (>= 4)
     regexp_parser (2.9.0)
@@ -528,7 +531,7 @@ DEPENDENCIES
   rails-i18n (~> 7.0.0)
   rails_performance
   redcarpet
-  redis (~> 4.8.1)
+  redis (~> 5.3.0)
   responders
   resque
   resque-scheduler