diff --git a/liblp_solve.spec b/liblp_solve.spec
index 11c93f6..cab7cf7 100644
--- a/liblp_solve.spec
+++ b/liblp_solve.spec
@@ -1,11 +1,12 @@
+%define majver %(echo %version | cut -d. -f1-2)
 Name:          liblp_solve 
-Version:       5.5.0.13
-Release:       2mamba
-Summary:       a Mixed Integer Linear Programming (MILP) solver
+Version:       5.5.2.11
+Release:       1mamba
+Summary:       A Mixed Integer Linear Programming (MILP) solver
 Group:         System/Libraries
 Vendor:        openmamba
 Distribution:  openmamba
-Packager:      Automatic Build System <autodist@mambasoft.it>
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           http://lpsolve.sourceforge.net/
 Source:        http://downloads.sourceforge.net/lpsolve/lp_solve_%{version}_source.tar.gz
 Patch0:        liblp_solve-5.5.0.11.cflags.patch
@@ -15,7 +16,6 @@ BuildRequires: flex
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
 ## AUTOBUILDREQ-END
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 Mixed Integer Linear Programming (MILP) solver lp_solve solves pure linear, 
@@ -33,8 +33,7 @@ Mixed Integer Linear Programming (MILP) solver lp_solve solves pure linear,
 (mixed) integer/binary, semi-continuous and special ordered sets (SOS) models. 
 lp_solve is written in ANSI C and can be compiled on many different platforms 
 like Linux and WINDOW
-
-This package contains header files need for development.
+This package contains header files needed for development.
 
 %package static
 Group:         Development/Libraries
@@ -46,8 +45,7 @@ Mixed Integer Linear Programming (MILP) solver lp_solve solves pure linear,
 (mixed) integer/binary, semi-continuous and special ordered sets (SOS) models. 
 lp_solve is written in ANSI C and can be compiled on many different platforms 
 like Linux and WINDOW
-
-This package contains static libraries need for development.
+This package contains static libraries needed for development.
 
 %package demo
 Group:         Development/Tools
@@ -59,13 +57,14 @@ Mixed Integer Linear Programming (MILP) solver lp_solve solves pure linear,
 (mixed) integer/binary, semi-continuous and special ordered sets (SOS) models. 
 lp_solve is written in ANSI C and can be compiled on many different platforms 
 like Linux and WINDOW
-
 This package contains a demo program for %{name}.
 
-%prep
+%debug_package
+
+%prep
+%setup -q -n lp_solve_%{majver}
+#%patch -p1
 
-%setup -q -n lp_solve_5.5
-%patch -p1
 %build
 cd lp_solve
 sh -x ccc
@@ -73,6 +72,7 @@ cd ../demo
 sh -x ccc
 cd ../lpsolve55
 sh -x ccc
+
 %install
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 install -d %{buildroot}%{_bindir} 
@@ -82,11 +82,11 @@ install -d %{buildroot}%{_includedir}/lpsolve
 install -m 755 \
         demo/demo %{buildroot}%{_bindir}
 install -m 755 \
-        lp_solve/lp_solve %{buildroot}%{_bindir}
+        lp_solve/bin/ux%{__isa_bits}/lp_solve %{buildroot}%{_bindir}
 install -m 755 \
-        lpsolve55/liblpsolve55.so %{buildroot}%{_libdir}
+        lpsolve55/bin/ux%{__isa_bits}/liblpsolve55.so %{buildroot}%{_libdir}
 install -m 644 \
-        lpsolve55/liblpsolve55.a %{buildroot}%{_libdir}
+        lpsolve55/bin/ux%{__isa_bits}/liblpsolve55.a %{buildroot}%{_libdir}
 install -m 644 \
         lp*.h %{buildroot}%{_includedir}/lpsolve
 
@@ -101,25 +101,22 @@ install -m 644 \
 %defattr(-,root,root)
 %{_bindir}/lp_solve
 %{_libdir}/*.so
-%doc README.txt
-%doc ./bfp/bfp_LUSOL/LUSOL/LUSOL_LGPL.txt 
-%doc ./bfp/bfp_LUSOL/LUSOL/LUSOL_README.txt 
-%doc ./bfp/bfp_LUSOL/LUSOL/LUSOL-overview.txt
 
 %files devel
 %defattr(-,root,root)
 %dir %{_includedir}/lpsolve
 %{_includedir}/lpsolve/*.h
-
-%files static
-%defattr(-,root,root)
 %{_libdir}/*.a
+%doc README.txt
 
 %files demo
 %defattr(-,root,root)
 %{_bindir}/demo
 
 %changelog
+* Mon Jul 25 2022 Automatic Build System <autodist@mambasoft.it> 5.5.2.11-1mamba
+- automatic version update by autodist
+
 * Fri Aug 30 2013 Automatic Build System <autodist@mambasoft.it> 5.5.0.13-2mamba
 - automatic rebuild by autodist