diff --git a/chardet-3.0.4.tar.gz b/chardet-3.0.4.tar.gz
deleted file mode 100644
index 9501cc9..0000000
--- a/chardet-3.0.4.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:84ab92ed1c4d4f16916e05906b6b75a6c0fb5db821cc65e70cbd64a3e2a5eaae
-size 1868453
diff --git a/chardet-4.0.0.tar.gz b/chardet-4.0.0.tar.gz
new file mode 100644
index 0000000..a3c7d96
--- /dev/null
+++ b/chardet-4.0.0.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0d6f53a15db4120f2b08c94f11e7d93d2c911ee118b6b30a04ec3ee8310179fa
+size 1907771
diff --git a/pytest4.patch b/pytest4.patch
deleted file mode 100644
index 1059b07..0000000
--- a/pytest4.patch
+++ /dev/null
@@ -1,23 +0,0 @@
-From 0561ddcedcd12ea1f98b7ddedb93686ed8a5ffa4 Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?Miro=20Hron=C4=8Dok?= <miro@hroncok.cz>
-Date: Tue, 12 Mar 2019 18:44:36 +0100
-Subject: [PATCH] Support pytest 4, don't apply marks directly to parameters
-
-Fixes https://github.com/chardet/chardet/issues/173
----
- test.py | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/test.py b/test.py
-index 9833307..ad2b753 100644
---- a/test.py
-+++ b/test.py
-@@ -59,7 +59,7 @@ def gen_test_params():
-             full_path = join(path, file_name)
-             test_case = full_path, encoding
-             if full_path in EXPECTED_FAILURES:
--                test_case = pytest.mark.xfail(test_case)
-+                test_case = pytest.param(*test_case, marks=pytest.mark.xfail)
-             yield test_case
- 
- 
diff --git a/python-chardet-rpmlintrc b/python-chardet-rpmlintrc
deleted file mode 100644
index bb1d6f0..0000000
--- a/python-chardet-rpmlintrc
+++ /dev/null
@@ -1,3 +0,0 @@
-# remove warnings about modules not being executable
-addFilter("non-executable-script")
-
diff --git a/python-chardet.changes b/python-chardet.changes
index 1f6e421..8006982 100644
--- a/python-chardet.changes
+++ b/python-chardet.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Sun Dec 20 05:52:28 UTC 2020 - John Vandenberg <jayvdb@gmail.com>
+
+- Remove now unnecessary pytest4.patch and python-chardet-rpmlintrc
+- Update to v4.0.0
+  See https://github.com/chardet/chardet/compare/3.0.4...4.0.0
+
 -------------------------------------------------------------------
 Mon Oct 14 11:45:00 UTC 2019 - Matej Cepl <mcepl@suse.com>
 
diff --git a/python-chardet.spec b/python-chardet.spec
index 50dab86..b5c3bd8 100644
--- a/python-chardet.spec
+++ b/python-chardet.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-chardet
 #
-# Copyright (c) 2019 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2020 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -26,14 +26,12 @@
 %bcond_with test
 %endif
 Name:           python-chardet%{psuffix}
-Version:        3.0.4
+Version:        4.0.0
 Release:        0
 Summary:        Universal encoding detector
 License:        LGPL-2.1-or-later
 URL:            https://github.com/chardet/chardet
 Source0:        https://files.pythonhosted.org/packages/source/c/chardet/chardet-%{version}.tar.gz
-Source1:        python-chardet-rpmlintrc
-Patch0:         pytest4.patch
 BuildRequires:  %{python_module setuptools}
 BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
@@ -77,7 +75,7 @@ or more files::
 
 %prep
 %setup -q -n chardet-%{version}
-%patch0 -p1
+sed -i '1{/^#!/d}' chardet/lang*model.py chardet/metadata/languages.py
 
 %build
 %python_build