diff --git a/ten_years_rails.gemspec b/ten_years_rails.gemspec
index 1712ac7..777801e 100644
--- a/ten_years_rails.gemspec
+++ b/ten_years_rails.gemspec
@@ -10,9 +10,12 @@ Gem::Specification.new do |spec|
   spec.email         = ["jnraine@gmail.com"]
 
   spec.summary       = %q{Companion code to Ten Years of Rails Upgrades}
+  spec.description   = %q{A set of handy tools to upgrade your Rails application and keep it up to date}
   spec.homepage      = "https://github.com/clio/ten_years_rails"
   spec.license       = "MIT"
 
+  spec.required_ruby_version = ">= 2.3.0"
+
   spec.files         = `git ls-files -z`.split("\x0").reject do |f|
     f.match(%r{^(test|spec|features)/})
   end