diff --git a/config/initializers/rack_attack.rb b/config/initializers/rack_attack.rb
index 3857e305551..a37e923f155 100644
--- a/config/initializers/rack_attack.rb
+++ b/config/initializers/rack_attack.rb
@@ -30,13 +30,17 @@ class Rack::Attack
     end
 
     def authenticated_user_id
-      authenticated_token&.resource_owner_id
+      authenticated_token&.resource_owner_id || warden_user_id
     end
 
     def authenticated_token_id
       authenticated_token&.id
     end
 
+    def warden_user_id
+      @env['warden']&.user&.id
+    end
+
     def unauthenticated?
       !authenticated_user_id
     end
@@ -137,6 +141,10 @@ class Rack::Attack
     req.session[:attempt_user_id] || req.params.dig('user', 'email').presence if req.post? && req.path_matches?('/auth/sign_in')
   end
 
+  throttle('throttle_password_change/account', limit: 10, period: 10.minutes) do |req|
+    req.authenticated_user_id if req.put? || (req.patch? && req.path_matches?('/auth'))
+  end
+
   self.throttled_responder = lambda do |request|
     now        = Time.now.utc
     match_data = request.env['rack.attack.match_data']
diff --git a/spec/config/initializers/rack_attack_spec.rb b/spec/config/initializers/rack_attack_spec.rb
index 581021cb90e..50e5d5052a4 100644
--- a/spec/config/initializers/rack_attack_spec.rb
+++ b/spec/config/initializers/rack_attack_spec.rb
@@ -1,8 +1,6 @@
 require 'rails_helper'
 
-describe Rack::Attack do
-  include Rack::Test::Methods
-
+describe Rack::Attack, type: :request do
   def app
     Rails.application
   end
@@ -12,7 +10,7 @@ describe Rack::Attack do
       it 'does not change the request status' do
         limit.times do
           request.call
-          expect(last_response.status).to_not eq(429)
+          expect(response.status).to_not eq(429)
         end
       end
     end
@@ -21,7 +19,7 @@ describe Rack::Attack do
       it 'returns http too many requests' do
         (limit * 2).times do |i|
           request.call
-          expect(last_response.status).to eq(429) if i > limit
+          expect(response.status).to eq(429) if i > limit
         end
       end
     end
@@ -32,7 +30,7 @@ describe Rack::Attack do
   describe 'throttle excessive sign-up requests by IP address' do
     context 'through the website' do
       let(:limit) { 25 }
-      let(:request) { ->() { post path, {}, 'REMOTE_ADDR' => remote_ip } }
+      let(:request) { ->() { post path, headers: { 'REMOTE_ADDR' => remote_ip } } }
 
       context 'for exact path' do
         let(:path)  { '/auth' }
@@ -47,7 +45,7 @@ describe Rack::Attack do
 
     context 'through the API' do
       let(:limit) { 5 }
-      let(:request) { ->() { post path, {}, 'REMOTE_ADDR' => remote_ip } }
+      let(:request) { ->() { post path, headers: { 'REMOTE_ADDR' => remote_ip } } }
 
       context 'for exact path' do
         let(:path)  { '/api/v1/accounts' }
@@ -59,7 +57,7 @@ describe Rack::Attack do
 
         it 'returns http not found' do
           request.call
-          expect(last_response.status).to eq(404)
+          expect(response.status).to eq(404)
         end
       end
     end
@@ -67,7 +65,7 @@ describe Rack::Attack do
 
   describe 'throttle excessive sign-in requests by IP address' do
     let(:limit) { 25 }
-    let(:request) { ->() { post path, {}, 'REMOTE_ADDR' => remote_ip } }
+    let(:request) { ->() { post path, headers: { 'REMOTE_ADDR' => remote_ip } } }
 
     context 'for exact path' do
       let(:path)  { '/auth/sign_in' }
@@ -79,4 +77,28 @@ describe Rack::Attack do
       it_behaves_like 'throttled endpoint'
     end
   end
+
+  describe 'throttle excessive password change requests by account' do
+    let(:user) { Fabricate(:user, email: 'user@host.example') }
+    let(:limit) { 10 }
+    let(:period) { 10.minutes }
+    let(:request) { -> { put path, headers: { 'REMOTE_ADDR' => remote_ip } } }
+    let(:path) { '/auth' }
+
+    before do
+      sign_in user, scope: :user
+
+      # Unfortunately, devise's `sign_in` helper causes the `session` to be
+      # loaded in the next request regardless of whether it's actually accessed
+      # by the client code.
+      #
+      # So, we make an extra query to clear issue a session cookie instead.
+      #
+      # A less resource-intensive way to deal with that would be to generate the
+      # session cookie manually, but this seems pretty involved.
+      get '/'
+    end
+
+    it_behaves_like 'throttled endpoint'
+  end
 end
diff --git a/spec/rails_helper.rb b/spec/rails_helper.rb
index c197bc00759..759303e3934 100644
--- a/spec/rails_helper.rb
+++ b/spec/rails_helper.rb
@@ -41,6 +41,7 @@ RSpec.configure do |config|
 
   config.include Devise::Test::ControllerHelpers, type: :controller
   config.include Devise::Test::ControllerHelpers, type: :view
+  config.include Devise::Test::IntegrationHelpers, type: :request
   config.include Paperclip::Shoulda::Matchers
   config.include ActiveSupport::Testing::TimeHelpers
   config.include Redisable