Merge pull request #1922 from ggpasqualino/master

Make railties an optional dependency

Author: richmolj

CHANGELOG.md

@@ -8,6 +8,7 @@ Fixes:
 
 - [#1887](https://github.com/rails-api/active_model_serializers/pull/1887) Make the comment reflect what the function does (@johnnymo87)
 - [#1890](https://github.com/rails-api/active_model_serializers/issues/1890) Ensure generator inherits from ApplicationSerializer when available (@richmolj)
+- [#1922](https://github.com/rails-api/active_model_serializers/pull/1922) Make railtie an optional dependency in runtime (@ggpasqualino)
 
 Features:
 

active_model_serializers.gemspec

@@ -31,7 +31,7 @@ Gem::Specification.new do |spec|
   # 'rack'
   # 'rack-test', '~> 0.6.2'
 
-  spec.add_runtime_dependency 'railties', rails_versions
+  spec.add_development_dependency 'railties', rails_versions
   # 'activesupport', rails_versions
   # 'actionpack', rails_versions
   # 'rake', '>= 0.8.7'