Rakefile in ZenTest-4.8.3 vs Rakefile in ZenTest-4.8.4

@@ -11,10 +11,10 @@
 
 Hoe.spec "ZenTest" do
   developer 'Ryan Davis', '[e-mail]'
   developer 'Eric Hodel', '[e-mail]'
 
-  require_rubygems_version "~> 1.8"
+  require_rubygems_version [">= 1.8", "< 2.1"]
 end
 
 desc "run autotest on itself"
 task :autotest do
   ruby "-Ilib -w ./bin/autotest"