rscons.gemspec in rscons-1.14.0 vs rscons.gemspec in rscons-1.15.0

@@ -16,10 +16,10 @@
   gem.files         = Dir["{bin,assets,lib}/**/*", "*.gemspec", "LICENSE.txt"]
   gem.executables   = gem.files.grep(%r{^bin/}).map{ |f| File.basename(f) }
   gem.test_files    = gem.files.grep(%r{^(test|spec|features)/})
   gem.require_paths = ["lib"]
 
-  gem.add_dependency "json", "~> 1.0"
+  gem.add_dependency "json", ">= 1.8", "< 3.0"
 
   gem.add_development_dependency "rspec"
   gem.add_development_dependency "rake"
   gem.add_development_dependency "simplecov"
   gem.add_development_dependency "yard"