diff --git a/rubygem-mkrf.spec b/rubygem-mkrf.spec
index f00cddd..1e736ff 100644
--- a/rubygem-mkrf.spec
+++ b/rubygem-mkrf.spec
@@ -1,6 +1,6 @@
 %global		gem_name		mkrf
 
-%global		rubyabi		1.8
+%global		rubyabi		1.9.1
 
 Summary:	Making C extensions for Ruby a bit easier
 Name:		rubygem-%{gem_name}