Bump up version

mizzy · mizzy · commit dd953edb7f07 · 2015-08-08T09:59:28.000+09:00
[skip ci]
diff --git a/lib/serverspec/version.rb b/lib/serverspec/version.rb
@@ -1,3 +1,3 @@
 module Serverspec
-  VERSION = "2.20.0"
+  VERSION = "2.21.0"
 end
