red-palette.gemspec in red-palette-0.3.0 vs red-palette.gemspec in red-palette-0.4.0

@@ -30,10 +30,10 @@
   spec.files += Dir.glob("lib/**/*.rb")
   spec.files += Dir.glob("image/*.*")
   spec.files += Dir.glob("doc/text/*")
   spec.test_files += Dir.glob("test/**/*")
 
-  spec.add_dependency("red-colors")
+  spec.add_dependency("red-colors", ">= 0.2.0")
 
   spec.add_development_dependency("bundler")
   spec.add_development_dependency("rake")
   spec.add_development_dependency("test-unit")
   spec.add_development_dependency("yard")