diff --git a/lib/knife-solo/bootstraps/darwin.rb b/lib/knife-solo/bootstraps/darwin.rb
index <HASH>..<HASH> 100644
--- a/lib/knife-solo/bootstraps/darwin.rb
+++ b/lib/knife-solo/bootstraps/darwin.rb
@@ -7,7 +7,7 @@ module KnifeSolo::Bootstraps
 
     def distro
       case issue
-      when %r{10.[6-10]}
+      when %r{10.(?:[6-9]|10)}
         {:type => 'omnibus'}
       else
         raise "OS X version #{issue} not supported"
fix regex so it is functional for <I> - <I>