diff --git a/lib/the_moderator/moderation_model.rb b/lib/the_moderator/moderation_model.rb
index 2341ccf..6e0c07f 100644
--- a/lib/the_moderator/moderation_model.rb
+++ b/lib/the_moderator/moderation_model.rb
@@ -16,7 +16,7 @@ module TheModerator
     def accept
       self.class.transaction do
         destroy
-        moderatable.update_attributes(data)
+        moderatable.update(data)
       end
     end
 
diff --git a/the_moderator.gemspec b/the_moderator.gemspec
index 10f2222..51deb5c 100644
--- a/the_moderator.gemspec
+++ b/the_moderator.gemspec
@@ -18,9 +18,9 @@ Gem::Specification.new do |spec|
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ["lib"]
 
-  spec.add_dependency "activemodel", ">= 3.2.0", "< 5.3"
-  spec.add_dependency "activerecord", ">= 3.2.0", "< 5.3"
-  spec.add_dependency "activesupport", ">= 3.2.0", "< 5.3"
+  spec.add_dependency "activemodel", ">= 3.2.0", "< 7"
+  spec.add_dependency "activerecord", ">= 3.2.0", "< 7"
+  spec.add_dependency "activesupport", ">= 3.2.0", "< 7"
 
   spec.add_development_dependency "bundler", "~> 2.2"
   spec.add_development_dependency "rake", "~> 13.0"