diff --git a/rails_admin.gemspec b/rails_admin.gemspec
index 1cb1f9230d..37fb6d4e40 100644
--- a/rails_admin.gemspec
+++ b/rails_admin.gemspec
@@ -3,7 +3,7 @@ require File.expand_path('../lib/rails_admin/version', __FILE__)
 
 Gem::Specification.new do |spec|
   # If you add a dependency, please maintain alphabetical order
-  spec.add_dependency 'nested_form', '> 0.2.3', '< 0.4.0'
+  spec.add_dependency 'nested_form', '~> 0.2'
   spec.add_dependency 'sass-rails', '~> 3.1'
   spec.add_dependency 'bootstrap-sass', '~> 2.1'
   spec.add_dependency 'font-awesome-sass-rails', '~> 2.0'