diff --git a/libtdb.spec b/libtdb.spec
index 7ac8e40..bedf5e7 100644
--- a/libtdb.spec
+++ b/libtdb.spec
@@ -1,7 +1,7 @@
 Name:          libtdb
 Epoch:         1
-Version:       1.3.18
-Release:       1mamba
+Version:       1.4.3
+Release:       2mamba
 Summary:       The tdb library
 Group:         System/Libraries
 Vendor:        openmamba
@@ -13,10 +13,10 @@ Patch0:        libtdb-1.3.0-include-bool.patch
 License:       LGPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
-BuildRequires: libattr-devel
+BuildRequires: ldconfig
 BuildRequires: libbsd-devel
 BuildRequires: libpython-devel
-BuildRequires: libpython27-devel
+BuildRequires: libpython3-devel
 ## AUTOBUILDREQ-END
 BuildRequires: autoconf
 BuildRequires: docbook-xsl
@@ -50,6 +50,7 @@ This package contains tools to manage Tdb files.
 Group:         System/Libraries
 Summary:       Python wrapper for %{name}
 Requires:      %{name} = %{?epoch:%epoch:}%{version}-%{release}
+Obsoletes:     python-tdb-py36
 
 %description -n python-tdb
 TDB is a Trivial Database. In concept, it is very much like GDBM, and BSD's DB except that it allows multiple simultaneous writers and uses locking internally to keep writers from trampling on each other. TDB is also extremely small.
@@ -66,13 +67,16 @@ TDB is a Trivial Database. In concept, it is very much like GDBM, and BSD's DB e
 
 This package contains the Python wrapper for %{name}.
 
+%debug_package
+
 %prep
 %setup -q -n tdb-%{version}
 #%patch0 -p1
 
 %build
-%configure \
-   --extra-python=%{__python36}
+%configure
+
+#   --extra-python=%{__python36}
 
 %make
 
@@ -111,15 +115,21 @@ This package contains the Python wrapper for %{name}.
 
 %files -n python-tdb
 %defattr(-,root,root)
-%{python3_sitearch}/tdb.so
+%{python3_sitearch}/tdb.cpython-*.so
 %{python3_sitearch}/_tdb_text.py
 
-%files -n python-tdb-py36
-%defattr(-,root,root)
-%{_libdir}/python3.6/site-packages/tdb.cpython-36*
-%{python36_sitearch}/_tdb_text.py
+#%files -n python-tdb-py36
+#%defattr(-,root,root)
+#%{_libdir}/python3.6/site-packages/tdb.cpython-36*
+#%{python36_sitearch}/_tdb_text.py
 
 %changelog
+* Mon Jan 06 2020 Silvan Calarco <silvan.calarco@mambasoft.it> 1.4.3-2mamba
+- python-tdb: obsolete python-tdb-py36
+
+* Fri Jan 03 2020 Silvan Calarco <silvan.calarco@mambasoft.it> 1.4.3-1mamba
+- update to 1.4.3
+
 * Sun Mar 31 2019 Automatic Build System <autodist@mambasoft.it> 1.3.18-1mamba
 - automatic version update by autodist