better not to add an open ended dependency

diff --git a/pronto-eslint_npm.gemspec b/pronto-eslint_npm.gemspec
index 0dfa79b19bd1a311fd87887315f77295787d532e..47cbf18b99314b7ac1ca3d13b62fe4a93e0cac9a 100644 (file)
--- a/pronto-eslint_npm.gemspec
+++ b/pronto-eslint_npm.gemspec
@@ -25,6 +25,6 @@ Gem::Specification.new do |s|
   s.requirements << 'eslint (in PATH)'
 
   s.add_dependency('pronto', '~> 0.8.0')
-  s.add_development_dependency('rake', '>= 11.0')
+  s.add_development_dependency('rake', '>= 11.0', '< 13')
   s.add_development_dependency('rspec', '~> 3.4')
 end