diff -Nur a/usr/share/gems/gems/ethon-0.9.0/spec/support/localhost_server.rb b/usr/share/gems/gems/ethon-0.9.0/spec/support/localhost_server.rb
--- a/usr/share/gems/gems/ethon-0.9.0/spec/support/localhost_server.rb	2022-02-22 18:28:21.009558853 +0800
+++ b/usr/share/gems/gems/ethon-0.9.0/spec/support/localhost_server.rb	2022-02-22 18:27:59.245191570 +0800
@@ -43,7 +43,7 @@
     # Use WEBrick since it's part of the ruby standard library and is available on all ruby interpreters.
     options = { :Port => port }
     options.merge!(:AccessLog => [], :Logger => WEBrick::BasicLog.new(StringIO.new)) unless ENV['VERBOSE_SERVER']
-    Rack::Handler::WEBrick.run(Identify.new(@rack_app), options)
+    Rack::Handler::WEBrick.run(Identify.new(@rack_app), **options)
   end
 
   def booted?