Rakefile in ruby_parser-3.6.1 vs Rakefile in ruby_parser-3.6.2

@@ -84,10 +84,10 @@
     sh "diff -du racc#{v}.txt yacc#{v}.txt | wc -l"
   end
 end
 
 task :debug => :isolate do
-  ENV["V"] ||= "20"
+  ENV["V"] ||= "21"
   Rake.application[:parser].invoke # this way we can have DEBUG set
   Rake.application[:lexer].invoke # this way we can have DEBUG set
 
   $: << "lib"
   require "ruby_parser"