diff --git a/www/py-django-treebeard/Makefile b/www/py-django-treebeard/Makefile
index cc9da259e4ae..7edf3445d895 100644
--- a/www/py-django-treebeard/Makefile
+++ b/www/py-django-treebeard/Makefile
@@ -1,6 +1,6 @@
-# $NetBSD: Makefile,v 1.13 2021/01/30 07:23:29 mef Exp $
+# $NetBSD: Makefile,v 1.14 2021/03/19 09:09:50 adam Exp $
 
-DISTNAME=	django-treebeard-4.4
+DISTNAME=	django-treebeard-4.5.1
 PKGNAME=	${PYPKGPREFIX}-${DISTNAME}
 CATEGORIES=	www python
 MASTER_SITES=	${MASTER_SITE_PYPI:=d/django-treebeard/}
diff --git a/www/py-django-treebeard/distinfo b/www/py-django-treebeard/distinfo
index acd9396b3ce7..7ca5c9a70284 100644
--- a/www/py-django-treebeard/distinfo
+++ b/www/py-django-treebeard/distinfo
@@ -1,7 +1,7 @@
-$NetBSD: distinfo,v 1.13 2021/01/30 07:23:29 mef Exp $
+$NetBSD: distinfo,v 1.14 2021/03/19 09:09:50 adam Exp $
 
-SHA1 (django-treebeard-4.4.tar.gz) = f735ae02fd72a154818df01c997f0ad65e3877d3
-RMD160 (django-treebeard-4.4.tar.gz) = b1f2d629819d5fa05d8c7c6079bb5c8b2b4a8692
-SHA512 (django-treebeard-4.4.tar.gz) = f2513553ac789f1e8a95629a414aa40243e6ae6259f5fe5a73911184e829e8603c7421103a6b3d5890ef2dabcbad3b23775f5ea73fd21835f457e961b5887081
-Size (django-treebeard-4.4.tar.gz) = 310658 bytes
-SHA1 (patch-setup.py) = d79034c10d7522bc65e2571c53ef9e3503a65583
+SHA1 (django-treebeard-4.5.1.tar.gz) = abf75eb76bda8a68e9f93d926a9b99ce57883060
+RMD160 (django-treebeard-4.5.1.tar.gz) = 31493a02ba9191f1e539181021639973f36d3e2a
+SHA512 (django-treebeard-4.5.1.tar.gz) = 27fa6ad50b25d0f9dd7dacddb36ec7165fa49abb26f17b744df3ba90c681107488f812e617d233dd54f86381f55986bd487687411a15dd90f911bc0cb3d8369e
+Size (django-treebeard-4.5.1.tar.gz) = 784384 bytes
+SHA1 (patch-setup.py) = a1b322c2cce8f180906f6f35d24ea57a31870214
diff --git a/www/py-django-treebeard/patches/patch-setup.py b/www/py-django-treebeard/patches/patch-setup.py
index c8208c178e71..9752363a7c3e 100644
--- a/www/py-django-treebeard/patches/patch-setup.py
+++ b/www/py-django-treebeard/patches/patch-setup.py
@@ -1,29 +1,15 @@
-$NetBSD: patch-setup.py,v 1.1 2021/01/30 07:23:29 mef Exp $
+$NetBSD: patch-setup.py,v 1.2 2021/03/19 09:09:50 adam Exp $
 
-Fix build for py36:
+Fix encoding error for Python 3.6.
 
-raceback (most recent call last):
-  File "setup.py", line 10, in <module>
-    long_description = fh.read()
-  File "/usr/pkg/lib/python3.6/encodings/ascii.py", line 26, in decode
-    return codecs.ascii_decode(input, self.errors)[0]
-UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 175: ordinal not in range(128)
-*** Error code 1
-
---- setup.py.orig	2021-01-13 18:18:36.000000000 +0900
-+++ setup.py	2021-01-30 16:15:37.800803620 +0900
-@@ -1,12 +1,13 @@
- #!/usr/bin/env python
- # -*- coding: utf-8 -*-
- import os
-+import sys
- from setuptools import setup, find_packages
- from treebeard import __version__
- import codecs
- 
- 
--with open('README.md') as fh:
-+with open("README.md", **({'encoding': 'UTF-8'} if sys.version_info.major>=3 else {})) as fh:
-     long_description = fh.read()
- 
- 
+--- setup.py.orig	2021-02-15 03:07:11.000000000 +0000
++++ setup.py
+@@ -3,7 +3,7 @@ from setuptools import setup, find_packa
+ from treebeard import __version__
+ 
+ 
+-with open('README.md') as fh:
++with open('README.md', encoding='utf-8') as fh:
+     long_description = fh.read()
+ 
+