diff --git a/xcb-proto-1.13-python39.patch b/xcb-proto-1.13-python39.patch
index a3813ec..a9e9e07 100644
--- a/xcb-proto-1.13-python39.patch
+++ b/xcb-proto-1.13-python39.patch
@@ -24,3 +24,16 @@ Index: xcb-proto-1.13/xcbgen/state.py
  
  from xcbgen import matcher
  from xcbgen.error import *
+Index: xcb-proto-1.13/xcbgen/align.py
+===================================================================
+--- xcb-proto-1.13.orig/xcbgen/align.py
++++ xcb-proto-1.13/xcbgen/align.py
+@@ -2,7 +2,7 @@
+ This module contains helper classes for alignment arithmetic and checks
+ '''
+ 
+-from fractions import gcd
++from math import gcd
+ 
+ class Alignment(object):
+ 
diff --git a/xcb-proto.spec b/xcb-proto.spec
index 084bbcc..a7b038b 100644
--- a/xcb-proto.spec
+++ b/xcb-proto.spec
@@ -2,7 +2,7 @@
 
 Name:           xcb-proto
 Version:        1.13
-Release:        12%{?dist}
+Release:        13%{?dist}
 Summary:        XCB protocol descriptions
 
 License:        MIT
@@ -10,6 +10,7 @@ URL:            https://xcb.freedesktop.org/
 Source0:        https://xcb.freedesktop.org/dist/%{name}-%{version}.tar.bz2
 
 # cElementTree no longer exists in Python 3.9
+# fractions.gcd has been replaced by math.gcd
 Patch0001:      xcb-proto-1.13-python39.patch
 
 BuildArch:      noarch
@@ -44,6 +45,9 @@ the protocol.
 %{python3_sitelib}/xcbgen
 
 %changelog
+* Sat May 30 2020 Björn Esser <besser82@fedoraproject.org> - 1.13-13
+- Update patch to fix python module for use with Python 3.9
+
 * Sat May 30 2020 Björn Esser <besser82@fedoraproject.org> - 1.13-12
 - Add patch to fix python module for use with Python 3.9
 - Modernize spec file