diff --git a/libqrupdate.spec b/libqrupdate.spec
index 9e957e2..8c80bcd 100644
--- a/libqrupdate.spec
+++ b/libqrupdate.spec
@@ -1,20 +1,28 @@
 Name:          libqrupdate
-Version:       1.1.2
-Release:       2mamba
+Version:       1.1.5
+Release:       1mamba
 Summary:       A Fortran library for fast updates of QR and Cholesky decompositions
 Group:         System/Libraries
 Vendor:        openmamba
 Distribution:  openmamba
-Packager:      Davide Madrisan <davide.madrisan@gmail.com>
-URL:           http://qrupdate.sourceforge.net/
-Source:        http://downloads.sourceforge.net/qrupdate/qrupdate-%{version}.tar.gz
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
+URL:           https://gitlab.mpi-magdeburg.mpg.de/koehlerm/qrupdate-ng
+Source:        https://gitlab.mpi-magdeburg.mpg.de/koehlerm/qrupdate-ng.git/v%{version}/qrupdate-ng-%{version}.tar.bz2
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
+BuildRequires: gcc-fortran
+BuildRequires: glibc-devel
+BuildRequires: libblas-devel
+BuildRequires: libgcc
+BuildRequires: liblapack-devel
+BuildRequires: libopenblas-devel
+%ifnarch arm aarch64
+BuildRequires: libquadmath-devel
+%endif
 ## AUTOBUILDREQ-END
 BuildRequires: gcc-fortran
 BuildRequires: libblas-devel
 BuildRequires: liblapack-devel
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 qrupdate is a Fortran library for fast updates of QR and Cholesky decompositions.
@@ -30,19 +38,25 @@ This package contains libraries and header files for developing applications tha
 %debug_package
 
 %prep
-%setup -q -n qrupdate-%{version}
-sed -i 's|$(PREFIX)/lib/|$(DESTDIR)%{_libdir}/|g' src/Makefile
+%setup -q -n qrupdate-ng-%{version}
+#sed -i 's|$(PREFIX)/lib/|$(DESTDIR)%{_libdir}/|g' src/Makefile
 
 %build
-%make FFLAGS="%{optflags} -fimplicit-none -funroll-loops" solib
-%make test
+%cmake -d build
+
+%make
+
+#% make FFLAGS="%{optflags} -fimplicit-none -funroll-loops" solib
+#% make test
 
 %install
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
-make install-shlib LIBDIR=%{_libdir} PREFIX="%{buildroot}"
+%makeinstall -C build
 
-# fixup strange shared library permissions
-chmod 755 %{buildroot}%{_libdir}/*.so*
+#make install-shlib LIBDIR=%{_libdir} PREFIX="%{buildroot}"
+
+## fixup strange shared library permissions
+#chmod 755 %{buildroot}%{_libdir}/*.so*
 
 %clean
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
@@ -53,14 +67,20 @@ chmod 755 %{buildroot}%{_libdir}/*.so*
 %files
 %defattr(-,root,root)
 %{_libdir}/libqrupdate.so.*
-%doc COPYING
+%doc LICENSE
 
 %files devel
 %defattr(-,root,root)
 %{_libdir}/libqrupdate.so
-%doc ChangeLog README
+%dir %{_libdir}/cmake/qrupdate
+%{_libdir}/cmake/qrupdate/qrupdate*.cmake
+%{_libdir}/pkgconfig/qrupdate.pc
+%doc README.md
 
 %changelog
+* Thu May 26 2022 Silvan Calarco <silvan.calarco@mambasoft.it> 1.1.5-1mamba
+- update to 1.1.5
+
 * Fri Sep 19 2014 Davide Madrisan <davide.madrisan@gmail.com> 1.1.2-2mamba
 - use the openmamaba build options (%%optflags)
 - run 'make test'