numo-linalg.gemspec in numo-linalg-0.1.3 vs numo-linalg.gemspec in numo-linalg-0.1.4

@@ -18,10 +18,10 @@
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ["lib"]
   spec.extensions    = ["ext/numo/linalg/blas/extconf.rb",
                         "ext/numo/linalg/lapack/extconf.rb"]
 
-  spec.add_development_dependency "bundler", "~> 1.3"
-  spec.add_development_dependency "rake", "~> 12.0"
-  spec.add_development_dependency "rspec", "~> 3.0"
+  spec.add_development_dependency "bundler"
+  spec.add_development_dependency "rake"
+  spec.add_development_dependency "rspec"
   spec.add_runtime_dependency "numo-narray", ">= 0.9.0.7"
 end