diff --git a/0001-Remove-pychecker-from-README-639.patch b/0001-Remove-pychecker-from-README-639.patch
new file mode 100644
index 0000000..a145017
--- /dev/null
+++ b/0001-Remove-pychecker-from-README-639.patch
@@ -0,0 +1,35 @@
+From 4cf21896576b734fd901b0dbf6efb0a15162b4af Mon Sep 17 00:00:00 2001
+From: Adam Johnson <me@adamj.eu>
+Date: Fri, 28 May 2021 18:28:29 +0100
+Subject: [PATCH] Remove pychecker from README (#639)
+
+Its last release was nearly 10 years ago: https://sourceforge.net/projects/pychecker/files/ , so it seems pretty dead.
+---
+ README.rst | 4 +---
+ 1 file changed, 1 insertion(+), 3 deletions(-)
+
+diff --git a/README.rst b/README.rst
+index c456d25..47ea7ed 100644
+--- a/README.rst
++++ b/README.rst
+@@ -39,8 +39,7 @@ Design Principles
+ Pyflakes makes a simple promise: it will never complain about style,
+ and it will try very, very hard to never emit false positives.
+ 
+-Pyflakes is also faster than Pylint_
+-or Pychecker_. This is
++Pyflakes is also faster than Pylint_. This is
+ largely because Pyflakes only examines the syntax tree of each file
+ individually. As a consequence, Pyflakes is more limited in the
+ types of things it can check.
+@@ -79,7 +78,6 @@ All changes should include tests and pass flake8_.
+ .. _Pylint: https://www.pylint.org/
+ .. _flake8: https://pypi.org/project/flake8/
+ .. _`PEP 8`: https://www.python.org/dev/peps/pep-0008/
+-.. _Pychecker: http://pychecker.sourceforge.net/
+ .. _`rebase your changes`: https://git-scm.com/book/en/v2/Git-Branching-Rebasing
+ .. _`GitHub pull request`: https://github.com/PyCQA/pyflakes/pulls
+ 
+-- 
+2.42.0.windows.2
+
diff --git a/pyflakes.spec b/pyflakes.spec
index b5aa164..d95708d 100644
--- a/pyflakes.spec
+++ b/pyflakes.spec
@@ -3,7 +3,7 @@
 	Pyflakes A simple program which checks Python source files for errors.Pyflakes
 Name:           python-pyflakes
 Version:        2.3.1
-Release:        4
+Release:        5
 Summary:        passive checker of Python programs
 License:        MIT
 URL:            https://github.com/PyCQA/pyflakes
@@ -15,6 +15,7 @@ BuildArch:      noarch
 Patch0001:      0001-Detect-typing-module-attributes-with-import-typing-a.patch
 Patch0002:      0001-fix-typo-annoation-annotation-636.patch
 Patch0003:      0001-remove-old-and-unused-tracing-code-625.patch
+Patch0004:      0001-Remove-pychecker-from-README-639.patch
 
 %package -n python3-pyflakes
 Summary:        passive checker of Python programs
@@ -80,6 +81,9 @@ mv %{buildroot}/doclist.lst .
 %{_docdir}/*
 
 %changelog
+* Wed Jan 31 2024 liubo <liubo1@xfusion.com> - 2.3.1-5
+- Remove pychecker from README
+
 * Fri Jan 26 2024 liubo <liubo1@xfusion.com> - 2.3.1-4
 - remove old and unused "tracing" code (#625)