diff --git a/lib/puma/plugin/redis_server.rb b/lib/puma/plugin/redis_server.rb
index 022caae7..cad448f9 100644
--- a/lib/puma/plugin/redis_server.rb
+++ b/lib/puma/plugin/redis_server.rb
@@ -54,7 +54,7 @@ Puma::Plugin.create do
       Dir.chdir(ENV.fetch('WORKDIR', nil)) unless ENV['WORKDIR'].to_s.empty?
 
       exec('redis-server', '--requirepass', Digest::SHA1.hexdigest("redis#{ENV.fetch('SECRET_KEY_BASE', '')}"),
-           out: '/dev/null')
+           '--loglevel', 'warning')
     end
   end