diff --git a/app/models/user.rb b/app/models/user.rb
index e51f7eb6..686a045e 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -100,7 +100,7 @@ class User < ActiveRecord::Base
 
   validates_presence_of :login
   validates_presence_of :password, if: :password_required?
-  validates_length_of :password, within: 5..40, if: :password_required?
+  validates_length_of :password, within: 5..72, if: :password_required?
   validates_presence_of :password_confirmation, if: :password_required?
   validates_confirmation_of :password
   validates_length_of :login, within: 3..80
diff --git a/test/models/user_test.rb b/test/models/user_test.rb
index 6812dc87..20188647 100644
--- a/test/models/user_test.rb
+++ b/test/models/user_test.rb
@@ -44,8 +44,8 @@ class UserTest < ActiveSupport::TestCase
 
   def test_validate_long_password
     assert_no_difference 'User.count' do
-      u = create_user :password => generate_random_string(41)
-      assert_equal "is too long (maximum is 40 characters)", u.errors[:password][0]
+      u = create_user :password => generate_random_string(73)
+      assert_equal "is too long (maximum is 72 characters)", u.errors[:password][0]
     end
   end