diff --git a/spec/rack_attack_spec.rb b/spec/rack_attack_spec.rb
index 377ab852..54f2f1df 100644
--- a/spec/rack_attack_spec.rb
+++ b/spec/rack_attack_spec.rb
@@ -125,6 +125,19 @@
       end
     end
 
+    if defined?(Redis) && defined?(ActiveSupport::Cache::RedisCacheStore)
+      it 'should delete rack attack keys' do
+        redis_cache_store = ActiveSupport::Cache::RedisCacheStore.new(namespace: 'ns')
+        redis_cache_store.write('key', 'value')
+        redis_cache_store.write("#{Rack::Attack.cache.prefix}::key", 'value')
+        Rack::Attack.cache.store = redis_cache_store
+        Rack::Attack.reset!
+
+        _(redis_cache_store.read('key')).must_equal 'value'
+        _(redis_cache_store.read("#{Rack::Attack.cache.prefix}::key")).must_be_nil
+      end
+    end
+
     if defined?(ActiveSupport::Cache::MemoryStore)
       it 'should delete rack attack keys' do
         memory_store = ActiveSupport::Cache::MemoryStore.new(namespace: 'ns')