diff --git a/qclib-2.3.2.tar.gz b/qclib-2.3.2.tar.gz
deleted file mode 100644
index 447d285..0000000
--- a/qclib-2.3.2.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:438064e66e6a80c97bcac0b948cf496037195495ca827f399d507d3cbb92ec6e
-size 94044
diff --git a/qclib-2.4.0.tar.gz b/qclib-2.4.0.tar.gz
new file mode 100644
index 0000000..1910391
--- /dev/null
+++ b/qclib-2.4.0.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:aa4f58e6e2f4b7e41312f9e756f70f08952d0418d4c498de23fc731a4d32cb27
+size 94455
diff --git a/qclib.changes b/qclib.changes
index 4337c5d..0cbe6f7 100644
--- a/qclib.changes
+++ b/qclib.changes
@@ -1,3 +1,14 @@
+-------------------------------------------------------------------
+Tue May 30 06:23:30 UTC 2023 - Nikolay Gueorguiev <nikolay.gueorguiev@suse.com>
+
+- Upgrade to version 2.4.0 (jsc#PED-3284, jsc#PED-3285)
+  * Changes:
+  - Recognize single frame models and rackable models
+  - zname: Add support for option --json
+  - qc_dump: Add trace and JSON dump to .tgz
+- Amended the .spec file for the error "static-library-without-debuginfo"
+  * Removed the line: gzip -9 %{buildroot}/%{_mandir}/man8/*
+
 -------------------------------------------------------------------
 Tue Sep 20 18:29:40 UTC 2022 - Mark Post <mpost@suse.com>
 
diff --git a/qclib.spec b/qclib.spec
index fa0fdce..d3ddf74 100644
--- a/qclib.spec
+++ b/qclib.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package qclib
 #
-# Copyright (c) 2017-2022 SUSE LLC
+# Copyright (c) 2023 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -16,8 +16,10 @@
 #
 
 
+%global _lto_cflags %{?_lto_cflags} -ffat-lto-objects
+
 Name:           qclib
-Version:        2.3.2
+Version:        2.4.0
 Release:        0
 Summary:        Query Capacity library
 License:        BSD-3-Clause
@@ -28,7 +30,7 @@ Source1:        %{name}-rpmlintrc
 BuildRequires:  doxygen
 BuildRequires:  gcc-c++
 ExclusiveArch:  s390 s390x
-%if 0%{?suse_version} > 1300
+%if 0%{?suse_version} > 1500
 BuildRequires:  glibc-devel-static
 %else
 BuildRequires:  glibc-devel
@@ -107,7 +109,6 @@ MYCFLAGS=$(grep ^CFLAGS Makefile | cut -f2 -d=)
 
 %install
 %make_install V=1
-gzip -9 %{buildroot}/%{_mandir}/man8/*
 make installdoc DESTDIR=%{buildroot} V=1
 
 %post -n libqc2 -p /sbin/ldconfig