diff --git a/lib/discourse_api/api/categories.rb b/lib/discourse_api/api/categories.rb
index 0437f15..c9f9b69 100644
--- a/lib/discourse_api/api/categories.rb
+++ b/lib/discourse_api/api/categories.rb
@@ -9,8 +9,10 @@ def create_category(args = {})
         args =
           API
             .params(args)
-            .required(:name, :color, :text_color)
+            .required(:name)
             .optional(
+              :color,
+              :text_color,
               :slug,
               :permissions,
               :auto_close_hours,
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 945b626..c4f2aee 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -9,6 +9,7 @@
 require "discourse_api"
 require "rspec"
 require "webmock/rspec"
+require "ostruct"
 
 RSpec.configure do |config|
   config.expect_with :rspec do |c|