diff --git a/Gemfile b/Gemfile
index f11513c..47db8b9 100644
--- a/Gemfile
+++ b/Gemfile
@@ -61,4 +61,4 @@ gem 'will_paginate', '~> 4.0'
 gem 'rack-cors', '~> 2.0', '>= 2.0.2'
 
 gem 'rack-attack', '~> 6.7'
-gem 'redis', '>= 4.0.1'
+gem 'redis', '~> 5.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index cd5ca29..aafd081 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -229,8 +229,8 @@ GEM
       prism (>= 1.6.0)
       rbs (>= 4.0.0)
       tsort
-    redis (6.0.0)
-      redis-client (= 0.30.1)
+    redis (5.4.1)
+      redis-client (>= 0.22.0)
     redis-client (0.30.1)
       connection_pool
     regexp_parser (2.12.0)
@@ -290,7 +290,7 @@ DEPENDENCIES
   rack-attack (~> 6.7)
   rack-cors (~> 2.0, >= 2.0.2)
   rails (~> 7.2.3, >= 7.2.3.2)
-  redis (>= 4.0.1)
+  redis (~> 5.0)
   rubocop (~> 1)
   tzinfo-data
   will_paginate (~> 4.0)
diff --git a/config/initializers/rack_attack.rb b/config/initializers/rack_attack.rb
index d5ebd2d..d42d7d7 100644
--- a/config/initializers/rack_attack.rb
+++ b/config/initializers/rack_attack.rb
@@ -6,12 +6,15 @@ class Attack
     redis_url = ENV['RACK_ATTACK_REDIS_URL'].presence || ENV['REDIS_URL'].presence
 
     Rack::Attack.cache.store = if redis_url
-                                 ActiveSupport::Cache::RedisCacheStore.new(
-                                   url: redis_url,
-                                   namespace: 'rack_attack'
-                                 )
-                               elsif Rails.env.production?
-                                 raise 'RACK_ATTACK_REDIS_URL or REDIS_URL is required in production'
+                                 begin
+                                   ActiveSupport::Cache::RedisCacheStore.new(
+                                     url: redis_url,
+                                     namespace: 'rack_attack'
+                                   )
+                                 rescue StandardError => e
+                                   Rails.logger.warn("Rack::Attack: Redis failed (#{e.message}), using MemoryStore")
+                                   ActiveSupport::Cache::MemoryStore.new
+                                 end
                                else
                                  ActiveSupport::Cache::MemoryStore.new
                                end