diff --git a/hplip-keyserver.patch b/hplip-keyserver.patch
index 92bd018..d706f3d 100644
--- a/hplip-keyserver.patch
+++ b/hplip-keyserver.patch
@@ -1,6 +1,6 @@
 diff -up hplip-3.20.3/base/tui.py.keyserver hplip-3.20.3/base/tui.py
---- hplip-3.20.3/base/tui.py.keyserver	2020-04-07 07:31:12.747293360 +0200
-+++ hplip-3.20.3/base/tui.py	2020-04-07 07:31:32.180113572 +0200
+--- hplip-3.20.3/base/tui.py.keyserver	2020-03-10 09:01:53.000000000 +0100
++++ hplip-3.20.3/base/tui.py	2020-04-07 08:44:44.319710001 +0200
 @@ -241,6 +241,7 @@ class ProgressMeter(object):
          sys.stdout.write(y)
  
@@ -11,27 +11,28 @@ diff -up hplip-3.20.3/base/tui.py.keyserver hplip-3.20.3/base/tui.py
  
 diff -up hplip-3.20.3/base/validation.py.keyserver hplip-3.20.3/base/validation.py
 --- hplip-3.20.3/base/validation.py.keyserver	2020-03-10 09:01:53.000000000 +0100
-+++ hplip-3.20.3/base/validation.py	2020-04-07 07:34:30.896467229 +0200
++++ hplip-3.20.3/base/validation.py	2020-04-07 08:45:46.657132415 +0200
 @@ -1,4 +1,4 @@
 -#!/usr/bin/env python
 +#!/usr/bin/python3
  # -*- coding: utf-8 -*-
  #
  # (c) Copyright 2015 HP Development Company, L.P.
-@@ -42,8 +42,10 @@ class DigiSign_Verification(object):
+@@ -42,8 +42,11 @@ class DigiSign_Verification(object):
  
  
  class GPG_Verification(DigiSign_Verification):
 -    def __init__(self, pgp_site = 'pgp.mit.edu', key = 0x4ABA2F66DBD5A95894910E0673D770CDA59047B9):
 -        self.__pgp_site = pgp_site
 +    def __init__(self, keyservers = ['pgp.mit.edu', 'sks-keyservers.net',
-+                                     'pool.sks-keyservers.net'],
++                                     'pool.sks-keyservers.net',
++                                     'keyserver.ubuntu.com'],
 +                 key = 0x4ABA2F66DBD5A95894910E0673D770CDA59047B9):
 +        self.__keyservers = keyservers
          self.__key = key
          self.__gpg = utils.which('gpg',True)
  
-@@ -82,13 +84,18 @@ class GPG_Verification(DigiSign_Verifica
+@@ -82,13 +85,18 @@ class GPG_Verification(DigiSign_Verifica
  
  
      def __acquire_gpg_key(self):
diff --git a/hplip.spec b/hplip.spec
index 56f656d..0674bb6 100644
--- a/hplip.spec
+++ b/hplip.spec
@@ -7,7 +7,7 @@
 Summary: HP Linux Imaging and Printing Project
 Name: hplip
 Version: 3.20.3
-Release: 3%{?dist}
+Release: 4%{?dist}
 License: GPLv2+ and MIT and BSD and IJG and Public Domain and GPLv2+ with exceptions and ISC
 
 Url: https://developers.hp.com/hp-linux-imaging-and-printing
@@ -699,6 +699,9 @@ rm -f %{buildroot}%{_sysconfdir}/xdg/autostart/hplip-systray.desktop
 %config(noreplace) %{_sysconfdir}/sane.d/dll.d/hpaio
 
 %changelog
+* Tue Apr 07 2020 Zdenek Dohnal <zdohnal@redhat.com> - 3.20.3-4
+- add keyserver.ubuntu.com too (1821469)
+
 * Tue Apr 07 2020 Zdenek Dohnal <zdohnal@redhat.com> - 3.20.3-3
 - 1821469 - use list of keyservers when trying to download gpg keys