diff --git a/dynamic_form.gemspec b/dynamic_form.gemspec
index bc0ef5f..31c4cbb 100644
--- a/dynamic_form.gemspec
+++ b/dynamic_form.gemspec
@@ -41,6 +41,8 @@ Gem::Specification.new do |s|
      "test/test_helper.rb"
   ]
 
+  s.add_runtime_dependency 'actionview', '> 5.2.0'
+  s.add_runtime_dependency 'activemodel', '> 5.2.0'
   s.add_development_dependency(%q<byebug>, [">= 0"])
   s.add_development_dependency(%q<mocha>, [">= 0"])
   s.add_development_dependency(%q<test-unit>, [">= 0"])