diff --git a/Rakefile b/Rakefile
index db6cbf91a..a2c4a7294 100644
--- a/Rakefile
+++ b/Rakefile
@@ -22,8 +22,8 @@ MRuby.each_target do |build|
 end
 
 # load custom rules
-load "#{MRUBY_ROOT}/src/mruby_core.rake"
-load "#{MRUBY_ROOT}/mrblib/mrblib.rake"
+load "#{MRUBY_ROOT}/tasks/core.rake"
+load "#{MRUBY_ROOT}/tasks/mrblib.rake"
 
 load "#{MRUBY_ROOT}/tasks/mrbgems.rake"
 load "#{MRUBY_ROOT}/tasks/libmruby.rake"
diff --git a/src/mruby_core.rake b/tasks/core.rake
similarity index 100%
rename from src/mruby_core.rake
rename to tasks/core.rake
diff --git a/mrblib/mrblib.rake b/tasks/mrblib.rake
similarity index 100%
rename from mrblib/mrblib.rake
rename to tasks/mrblib.rake