diff --git a/bypy/windows.conf b/bypy/windows.conf
index 257b92e0ab..d961b0d030 100644
--- a/bypy/windows.conf
+++ b/bypy/windows.conf
@@ -12,5 +12,5 @@ root 'C:/r'
 python 'py.exe'
 python2 'C:/Python27/python.exe'
 perl 'C:/Strawberry/perl/bin/perl.exe'
-ruby 'C:/Ruby27-x64/bin/ruby.exe'
+ruby 'C:/Ruby30-x64/bin/ruby.exe'
 mesa 'C:/mesa'