Rakefile in hoe-3.22.1 vs Rakefile in hoe-3.22.2

@@ -16,10 +16,10 @@
 
   license "MIT"
 
   pluggable!
   require_rubygems_version ">= 1.4"
-  require_ruby_version "~> 2.1"
+  require_ruby_version [">= 2.1", "< 3.1"]
 
   dependency "rake", [">= 0.8", "< 15.0"] # FIX: to force it to exist pre-isolate
 end
 
 task :plugins do