diff --git a/cp210x-program-0-4.tar.gz b/cp210x-program-0-4.tar.gz
deleted file mode 100644
index 022c327..0000000
--- a/cp210x-program-0-4.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:ccd5c0cf250653c0fbd07c0432d924e79c221eb6d9508c46c00f9228de3fb83b
-size 26083
diff --git a/cp210x-program-0.4.1.tar.gz b/cp210x-program-0.4.1.tar.gz
new file mode 100644
index 0000000..3243b83
--- /dev/null
+++ b/cp210x-program-0.4.1.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a642314c8b6409a67e08a549bf2e884cd550f386c17ae31a1fe14467ab615261
+size 97614
diff --git a/cp210x-program.changes b/cp210x-program.changes
index 72aaedd..d97c3c4 100644
--- a/cp210x-program.changes
+++ b/cp210x-program.changes
@@ -1,3 +1,22 @@
+-------------------------------------------------------------------
+Sun Aug 27 09:38:29 UTC 2023 - Martin Hauke <mardnh@gmx.de>
+
+- Update to new upstream release 0.4.1
+  * Always write output files with newlines.
+  * test binary mode for stdout stream.
+  * Doc: initial readme updates and conversion to rst format.
+  * FIX error: 'TypeError: can only concatenate str (not "bytes")
+    to str'.
+  * cp210x: Provide baud rate table as bytearray to pyusb
+  * cp210x: Convert return of pyusb.ctrl_transfer to bytearray
+  * fix format of sample ini files
+    + get rid of duplicate line, which made ConfigParser throw an
+      exception
+    + get rid of leading spaces, which made ConfigParser interpret
+      those entries as being additional lines in a multi-line value
+      for 120000 entry
+  * ini: Allow inline comments
+
 -------------------------------------------------------------------
 Mon Oct 26 06:54:05 UTC 2020 - Martin Hauke <mardnh@gmx.de>
 
diff --git a/cp210x-program.spec b/cp210x-program.spec
index 5f884bc..30c5b69 100644
--- a/cp210x-program.spec
+++ b/cp210x-program.spec
@@ -1,7 +1,8 @@
 #
 # spec file for package cp210x-program
 #
-# Copyright (c) 2020, Martin Hauke <mardnh@gmx.de>
+# Copyright (c) 2023 SUSE LLC
+# Copyright (c) 2020-2023, Martin Hauke <mardnh@gmx.de>
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -15,20 +16,21 @@
 # Please submit bugfixes or comments via https://bugs.opensuse.org/
 #
 
-%define realver 0-4
+
 Name:           cp210x-program
-Version:        0.4
+Version:        0.4.1
 Release:        0
 Summary:        EEPROM tool for Silabs CP210x USB-Serial adapters
 License:        LGPL-2.1-only
 Group:          Hardware/Other
 URL:            http://cp210x-program.sourceforge.net/
 #Git-Clone:     https://github.com/VCTLabs/cp210x-program.git
-Source:         https://github.com/VCTLabs/cp210x-program/archive/%{name}-%{realver}.tar.gz
+Source:         https://github.com/VCTLabs/cp210x-program/archive/%{version}.tar.gz#/%{name}-%{version}.tar.gz
 BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
-BuildRequires:  python3-setuptools
+BuildRequires:  python3-pytest
 BuildRequires:  python3-pyusb
+BuildRequires:  python3-setuptools
 Requires:       python3-pyusb
 BuildArch:      noarch
 
@@ -38,7 +40,7 @@ FTDIs and PL2303). The CP210x has a EEPROM on the chip which can be programmed
 with this tool via USB.
 
 %prep
-%setup -q -n %{name}-%{name}-%{realver}
+%setup -q
 
 %build
 %python3_build
@@ -46,13 +48,11 @@ with this tool via USB.
 %install
 %python3_install
 %fdupes %{buildroot}/%{python3_sitelib}
-
-%check
-./test.sh
+mv %{buildroot}/%{_bindir}/cp210x-program.py %{buildroot}/%{_bindir}/cp210x-program
 
 %files
 %license LICENSE
-%doc README doc/cp210x.txt
+%doc README.rst doc/cp210x.txt
 %{_bindir}/cp210x-program
 %{python3_sitelib}/cp210x*