1 files changed, 1 insertions, 0 deletions
diff --git a/Rakefile b/Rakefile
index 8ae547f..aa5e9c4 100644
--- a/Rakefile
+++ b/Rakefile
@@ -18,6 +18,7 @@ Hoe.spec "hoe" do
 
   pluggable!
   require_rubygems_version ">= 1.4"
+  require_ruby_version "~> 2.1"
 
   dependency "rake", [">= 0.8", "< 15.0"] # FIX: to force it to exist pre-isolate
 end