diff --git a/python-sip4.spec b/python-sip4.spec
index 0eeaa05..0b34b95 100644
--- a/python-sip4.spec
+++ b/python-sip4.spec
@@ -1,6 +1,6 @@
 Name:          python-sip4
-Version:       4.19.24
-Release:       2mamba
+Version:       4.19.25
+Release:       1mamba
 Summary:       Python extension module generator for C and C++ libraries
 Group:         System/Libraries/Python
 Vendor:        openmamba
@@ -13,7 +13,7 @@ License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
 BuildRequires: libgcc
-BuildRequires: libpython-devel
+BuildRequires: libpython3-devel
 BuildRequires: libstdc++6-devel
 ## AUTOBUILDREQ-END
 BuildRequires: libpython3-devel >= 3.7.4
@@ -22,7 +22,6 @@ Provides:      python-sip
 Obsoletes:     python-sip
 Provides:      python-sip-devel
 Obsoletes:     python-sip-devel
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 SIP is an extension module generator similar to SWIG but is specifically designed for creating Python modules.
@@ -44,8 +43,8 @@ This package provides the sip tool and documentation.
 
 %prep
 %setup -q -n sip-%{version}
-tar xf %{SOURCE0}
-mv sip-%{version} PyQt5
+#tar xf %{SOURCE0}
+#mv sip-%{version} PyQt5
 
 %build
 %{__python} configure.py CXXFLAGS="%{optflags}" CFLAGS="%{optflags}" \
@@ -53,16 +52,16 @@ mv sip-%{version} PyQt5
 
 %make
 
-cd PyQt5
-%{__python} configure.py CXXFLAGS="%{optflags}" CFLAGS="%{optflags}" \
-  --sip-module=PyQt5.sip
-
-%make
+#cd PyQt5
+#% {__python} configure.py CXXFLAGS="%{optflags}" CFLAGS="%{optflags}" \
+#  --sip-module=PyQt5.sip
+#
+#% make
 
 %install
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 %makeinstall
-%makeinstall -C PyQt5
+#% makeinstall -C PyQt5
 
 #install -d -m0755 %{buildroot}%{_datadir}/sip
 
@@ -77,11 +76,11 @@ cd PyQt5
 %dir %{python_sitearch}/PyQt4_sip-%{version}.dist-info
 %{python_sitearch}/PyQt4_sip-%{version}.dist-info/*
 %{python_sitearch}/*.py*
-# for PyQt5
-%{python_sitearch}/PyQt5/sip.so
-%{python_sitearch}/PyQt5/sip.pyi
-%dir %{python_sitearch}/PyQt5_sip-%{version}.dist-info
-%{python_sitearch}/PyQt5_sip-%{version}.dist-info/*
+## for PyQt5
+#%{python_sitearch}/PyQt5/sip.so
+#%{python_sitearch}/PyQt5/sip.pyi
+#%dir %{python_sitearch}/PyQt5_sip-%{version}.dist-info
+#%{python_sitearch}/PyQt5_sip-%{version}.dist-info/*
 %if "%?with_pyver"
 %{python_inc}/sip.h
 %else
@@ -96,6 +95,10 @@ cd PyQt5
 #%doc doc/*
 
 %changelog
+* Mon Nov 08 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 4.19.25-1mamba
+- update to 4.19.25
+- remove PyQt5 support
+
 * Fri Jan 22 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 4.19.24-2mamba
 - obsolete python-sip4 (python 2.7)