diff --git a/cpulimit.spec b/cpulimit.spec
index 649ac6a..7e5797d 100644
--- a/cpulimit.spec
+++ b/cpulimit.spec
@@ -1,21 +1,18 @@
 Name:          cpulimit
-Version:       20160304
+Epoch:         1
+Version:       3.0
 Release:       1mamba
 Summary:       CPU Usage Limiter for Linux
 Group:         System/Kernel and Hardware
 Vendor:        openmamba
 Distribution:  openmamba
-Packager:      Stefano Cotta Ramusino <stefano.cotta@openmamba.org>
-URL:           http://cpulimit.sourceforge.net/
-Source:        https://github.com/opsengine/cpulimit.git/master/cpulimit-%{version}.tar.bz2
-#Source:        https://github.com/opsengine/cpulimit/tarball/master/cpulimit-%{version}.tar.gz
-#Source:        http://downloads.sourceforge.net/cpulimit/cpulimit-%{version}.tar.gz
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
+URL:           https://sourceforge.net/projects/limitcpu/
+Source:        https://sourceforge.net/projects/limitcpu/files/limitcpu/cpulimit-%{version}.tar.gz
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
 ## AUTOBUILDREQ-END
-BuildRequires: help2man
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 cpulimit is a simple program which attempts to limit the cpu usage of a process (expressed in percentage, not in cpu time).
@@ -23,38 +20,31 @@ This is useful to control batch jobs, when you don't want them to eat too much c
 It does not act on the nice value or other scheduling priority stuff, but on the real cpu usage.
 Also, it is able to adapt itself to the overall system load, dynamically and quickly. 
 
+%debug_package
+
 %prep
 %setup -q
 
 %build
-%ifnarch x86_64
-sed -i 's,-O2,%{optflags},' Makefile
 %make
-%else
-make
-%endif
 
 %install
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
-install -D -m 755 src/cpulimit \
-   %{buildroot}%{_bindir}/cpulimit
-
-install -d %{buildroot}%{_mandir}/man1
-help2man \
-   --version-string="cpulimit %{version}" \
-   --output=%{buildroot}%{_mandir}/man1/cpulimit.1 \
-   src/cpulimit
+%makeinstall PREFIX=%{buildroot}%{_prefix}
 
 %clean
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 
 %files
 %defattr(-,root,root)
-%{_bindir}/*
-%{_mandir}/man1/*
+%{_bindir}/cpulimit
+%{_mandir}/man1/cpulimit.1*
 %doc LICENSE
 
 %changelog
+* Sun Feb 04 2024 Silvan Calarco <silvan.calarco@mambasoft.it> 3.0-1mamba
+- update to 3.0
+
 * Fri Mar 04 2016 Automatic Build System <autodist@mambasoft.it> 20160304-1mamba
 - automatic version update by autodist