diff --git a/app/assets/javascripts/discourse/models/user.js.es6 b/app/assets/javascripts/discourse/models/user.js.es6
index e4f92d6b340..83223e79725 100644
--- a/app/assets/javascripts/discourse/models/user.js.es6
+++ b/app/assets/javascripts/discourse/models/user.js.es6
@@ -211,7 +211,8 @@ const User = RestModel.extend({
       'muted_tags',
       'tracked_tags',
       'watched_tags',
-      'watching_first_post_tags');
+      'watching_first_post_tags',
+      'date_of_birth');
 
     ['email_always',
      'mailing_list_mode',
diff --git a/app/controllers/users_controller.rb b/app/controllers/users_controller.rb
index 792369932ea..0c226d93b29 100644
--- a/app/controllers/users_controller.rb
+++ b/app/controllers/users_controller.rb
@@ -706,7 +706,7 @@ class UsersController < ApplicationController
     end
 
     def user_params
-      result = params.permit(:name, :email, :password, :username)
+      result = params.permit(:name, :email, :password, :username, :date_of_birth)
                      .merge(ip_address: request.remote_ip,
                             registration_ip_address: request.remote_ip,
                             locale: user_locale)
diff --git a/app/services/user_updater.rb b/app/services/user_updater.rb
index 44d217e3bd1..0361ccf4d54 100644
--- a/app/services/user_updater.rb
+++ b/app/services/user_updater.rb
@@ -54,6 +54,7 @@ class UserUpdater
 
     user.name = attributes.fetch(:name) { user.name }
     user.locale = attributes.fetch(:locale) { user.locale }
+    user.date_of_birth = attributes.fetch(:date_of_birth) { user.date_of_birth }
 
     if guardian.can_grant_title?(user)
       user.title = attributes.fetch(:title) { user.title }
diff --git a/spec/services/user_updater_spec.rb b/spec/services/user_updater_spec.rb
index a9a69ef6d7d..aa5f6f5734b 100644
--- a/spec/services/user_updater_spec.rb
+++ b/spec/services/user_updater_spec.rb
@@ -64,6 +64,7 @@ describe UserUpdater do
     it 'updates various fields' do
       user = Fabricate(:user)
       updater = UserUpdater.new(acting_user, user)
+      date_of_birth = Time.zone.now
 
       val = updater.update(bio_raw: 'my new bio',
                      email_always: 'true',
@@ -72,7 +73,8 @@ describe UserUpdater do
                      new_topic_duration_minutes: 100,
                      auto_track_topics_after_msecs: 101,
                      notification_level_when_replying: 3,
-                     email_in_reply_to: false
+                     email_in_reply_to: false,
+                     date_of_birth: date_of_birth
                     )
       expect(val).to be_truthy
 
@@ -86,6 +88,7 @@ describe UserUpdater do
       expect(user.user_option.auto_track_topics_after_msecs).to eq 101
       expect(user.user_option.notification_level_when_replying).to eq 3
       expect(user.user_option.email_in_reply_to).to eq false
+      expect(user.date_of_birth).to eq(date_of_birth.to_date)
     end
 
     context 'when sso overrides bio' do