[.gemspec] specify minimal ruby version

epuber-io · Dec 14, 2015 · 7d29d68 · 7d29d68
1 parent 339ecd5
commit 7d29d68
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/Epuber.gemspec b/Epuber.gemspec
@@ -14,6 +14,7 @@ Gem::Specification.new do |spec|
   spec.summary  = 'Epuber is simple tool to compile and pack source files into EPUB format.'
   spec.homepage = 'https://github.com/epuber-io/epuber'
   spec.license  = 'MIT'
+  spec.required_ruby_version = '>= 2.0'
 
   spec.files         = Dir['bin/**/*'] + Dir['lib/**/*'] + %w(epuber.gemspec Gemfile LICENSE.txt README.md)
   spec.executables   = spec.files.grep(%r{^bin/}) { |f| File.basename(f) }