Add rake-compiler to development dependency

This gem is required for `rake build` task.
2019-12-11 11:23:49 +09:00
parent aa29a229ea
commit 244c4977c6
1 changed files with 1 additions and 0 deletions
@@ -32,5 +32,6 @@ Gem::Specification.new do |spec|
  spec.add_development_dependency 'bundler', '~> 2'
  spec.add_development_dependency 'oily_png', '~> 1'
  spec.add_development_dependency 'pry', '~> 0'
+  spec.add_development_dependency 'rake-compiler'
  spec.add_development_dependency 'usamin', '~> 7'
 end