representable.gemspec in representable-3.0.4 vs representable.gemspec in representable-3.1.0

@@ -17,18 +17,18 @@
   spec.test_files    = `git ls-files -- {test,spec,features}/*`.split("\n")
   spec.executables   = `git ls-files -- bin/*`.split("\n").map{ |f| File.basename(f) }
   spec.require_paths = ["lib"]
   spec.license       = "MIT"
 
-  spec.required_ruby_version = '>= 1.9.3'
+  spec.required_ruby_version = '>= 2.4.0'
 
   spec.add_dependency "uber",               "< 0.2.0"
   spec.add_dependency "declarative",        "< 0.1.0"
-  spec.add_dependency "declarative-option", "< 0.2.0"
+  spec.add_dependency "trailblazer-option", "~> 0.1.0"
 
   spec.add_development_dependency "rake"
   spec.add_development_dependency "test_xml", ">= 0.1.6"
   spec.add_development_dependency "minitest"
   spec.add_development_dependency "virtus"
-  spec.add_development_dependency "multi_json"
+  spec.add_development_dependency "dry-types"
   spec.add_development_dependency "ruby-prof" if RUBY_ENGINE == "ruby" # mri
 end