diff --git a/lib/chef/provider/chef_organization.rb b/lib/chef/provider/chef_organization.rb
index e6a8b6a..ab26c81 100644
--- a/lib/chef/provider/chef_organization.rb
+++ b/lib/chef/provider/chef_organization.rb
@@ -52,7 +52,9 @@ def whyrun_supported?
     new_resource.members.each do |user|
       if !existing_members.include?(user)
         converge_by "Add #{user} to organization #{new_resource.name}" do
-          rest.post("#{rest.root_url}/organizations/#{new_resource.name}/users/#{user}", {})
+          response = rest.post("#{rest.root_url}/organizations/#{new_resource.name}/association_requests", { 'user' => user })
+          association_id = response["uri"].split("/").last
+          rest.put("#{rest.root_url}/users/#{user}/association_requests/#{association_id}", { 'response' => 'accept' })
         end
       end
     end