diff --git a/Gemfile b/Gemfile
index 2c0584894a..5676a1421f 100644
--- a/Gemfile
+++ b/Gemfile
@@ -41,7 +41,7 @@ gem 'i18n-js'
 gem 'rails-i18n', '~> 7.0.0'
 
 # Redis
-gem 'redis', '~> 4.8.1'
+gem 'redis', '~> 5.2.0'
 
 # Exam template requirements
 gem 'combine_pdf'
diff --git a/Gemfile.lock b/Gemfile.lock
index 09e38f91b7..a91b4988eb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -367,7 +367,10 @@ GEM
     rdoc (6.6.3.1)
       psych (>= 4.0.0)
     redcarpet (3.6.0)
-    redis (4.8.1)
+    redis (5.2.0)
+      redis-client (>= 0.22.0)
+    redis-client (0.22.1)
+      connection_pool
     redis-namespace (1.11.0)
       redis (>= 4)
     regexp_parser (2.9.0)
@@ -543,7 +546,7 @@ DEPENDENCIES
   rails-i18n (~> 7.0.0)
   rails_performance
   redcarpet
-  redis (~> 4.8.1)
+  redis (~> 5.2.0)
   responders
   resque
   resque-scheduler