diff --git a/activesupport/test/cache/stores/redis_cache_store_test.rb b/activesupport/test/cache/stores/redis_cache_store_test.rb
index c08b65839f..b3fef96ac8 100644
--- a/activesupport/test/cache/stores/redis_cache_store_test.rb
+++ b/activesupport/test/cache/stores/redis_cache_store_test.rb
@@ -323,13 +323,13 @@ class StoreAPITest < StoreTest
   end
 
   class UnavailableRedisClient < Redis::Client
-    def ensure_connected
+    def ensure_connected(...)
       raise Redis::BaseConnectionError
     end
   end
 
   class MaxClientsReachedRedisClient < Redis::Client
-    def ensure_connected
+    def ensure_connected(...)
       raise Redis::CommandError
     end
   end