diff --git a/qclib-2.3.0-install.patch b/qclib-2.3.0-install.patch
deleted file mode 100644
index b05527d..0000000
--- a/qclib-2.3.0-install.patch
+++ /dev/null
@@ -1,26 +0,0 @@
-From 9519834a61906dafa55a332c537d68af6a9e4bec Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?Dan=20Hor=C3=A1k?= <dan@danny.cz>
-Date: Fri, 30 Apr 2021 09:39:39 +0200
-Subject: [PATCH] doc: fix installing README
-MIME-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: 8bit
-
-Signed-off-by: Dan Horák <dan@danny.cz>
----
- Makefile | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/Makefile b/Makefile
-index ec5d6df3..25a83d49 100644
---- a/Makefile
-+++ b/Makefile
-@@ -88,7 +88,7 @@ install: libqc.a libqc.so.$(VERSION) zhypinfo zname
- 	install $(INSTFLAGS) -Dm 644 zname.8 $(DESTDIR)$(MANDIR)/man8/zname.8
- 	install $(INSTFLAGS) -Dm 644 zhypinfo.8 $(DESTDIR)$(MANDIR)/man8/zhypinfo.8
- 	install $(INSTFLAGS) -Dm 644 query_capacity.h $(DESTDIR)$(INCDIR)/query_capacity.h
--	install $(INSTFLAGS) -Dm 644 README $(DESTDIR)$(DOCDIR)/qclib/README
-+	install $(INSTFLAGS) -Dm 644 README.md $(DESTDIR)$(DOCDIR)/qclib/README.md
- 	install $(INSTFLAGS) -Dm 644 LICENSE $(DESTDIR)$(DOCDIR)/qclib/LICENSE
- 
- installdoc: doc
diff --git a/qclib.spec b/qclib.spec
index aaef841..2c94f84 100644
--- a/qclib.spec
+++ b/qclib.spec
@@ -1,12 +1,10 @@
 Name:		qclib
-Version:	2.3.0
-Release:	3%{?dist}
+Version:	2.3.1
+Release:	1%{?dist}
 Summary:	Library for extraction of system information for Linux on z Systems
 License:	BSD
 URL:		https://github.com/ibm-s390-linux/qclib
 Source0:	https://github.com/ibm-s390-linux/%{name}/archive/%{version}/%{name}-%{version}.tar.gz
-# https://github.com/ibm-s390-linux/qclib/commit/52d9af246c1ba6e107e7bb202b4e109c3ad58470
-Patch0:		qclib-2.3.0-install.patch
 ExclusiveArch:	s390 s390x
 BuildRequires:	make
 BuildRequires:	gcc
@@ -83,6 +81,9 @@ make test-sh test
 
 
 %changelog
+* Wed Apr 27 2022 Dan Horák <dan[at]danny.cz> - 2.3.1-1
+- updated to 2.3.1
+
 * Fri Jan 21 2022 Fedora Release Engineering <releng@fedoraproject.org> - 2.3.0-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_36_Mass_Rebuild
 
diff --git a/sources b/sources
index e5f2f49..43c5a23 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (qclib-2.3.0.tar.gz) = 1c1a1792812741d769bc86e165f68d91fa54c4553e97049eb0469be91738824afccd4f6fe03e8651e03aa1605b60c95c75a8f29251be302b319293247f9ce95e
+SHA512 (qclib-2.3.1.tar.gz) = 93f3f9534013cce982cbee0efd7130d81c52e33bf8816dbcbfa3356bbfecac014440506ce524350776b1cbbeeaf9d7a3e9f987f2cc65ceab8919cd44df13b3a6