red-arrow-nmatrix.gemspec in red-arrow-nmatrix-0.0.3 vs red-arrow-nmatrix.gemspec in red-arrow-nmatrix-0.0.4

@@ -41,10 +41,10 @@
   spec.files += Dir.glob("ext/**/*.c")
   spec.files += Dir.glob("doc/text/*")
   spec.extensions = ["ext/arrow-nmatrix/extconf.rb"]
   spec.test_files += Dir.glob("test/**/*")
 
-  spec.add_runtime_dependency("red-arrow")
+  spec.add_runtime_dependency("red-arrow", ">= 3.0.0")
   spec.add_runtime_dependency("nmatrix")
 
   spec.add_development_dependency("bundler")
   spec.add_development_dependency("rake")
   spec.add_development_dependency("test-unit")