diff --git a/protobuf.spec b/protobuf.spec
index d65739a..e7b4388 100644
--- a/protobuf.spec
+++ b/protobuf.spec
@@ -1,5 +1,5 @@
 Name:          protobuf
-Version:       25.3
+Version:       26.1
 Release:       1mamba
 Summary:       A way of encoding structured data in an efficient yet extensible format
 Group:         Development/Tools
@@ -16,11 +16,11 @@ License:       BSD
 BuildRequires: glibc-devel
 BuildRequires: libabseil-cpp-devel
 BuildRequires: libgcc
-BuildRequires: libpython311-devel
 BuildRequires: libstdc++6-devel
 BuildRequires: libz-devel
 ## AUTOBUILDREQ-END
 Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
+Obsoletes:     protobuf26 <= 3.15.8-2mamba
 
 %description
 Protocol Buffers are a way of encoding structured data in an efficient yet extensible format. Google uses Protocol Buffers for almost all of its internal RPC protocols and file formats.
@@ -28,6 +28,7 @@ Protocol Buffers are a way of encoding structured data in an efficient yet exten
 %package -n lib%{name}
 Group:         System/Libraries
 Summary:       Shared libraries for %{name}
+Obsoletes:     libprotobuf26 <= 3.15.8-2mamba
 
 %description -n lib%{name}
 Protocol Buffers are a way of encoding structured data in an efficient yet extensible format. Google uses Protocol Buffers for almost all of its internal RPC protocols and file formats.
@@ -40,22 +41,11 @@ Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
 Requires:      %{name} = %{?epoch:%epoch:}%{version}-%{release}
 Provides:      protobuf-devel
 Obsoletes:     protobuf-devel < 3.17.0
+Obsoletes:     libprotobuf26-devel <= 3.15.8-2mamba
 
 %description -n lib%{name}-devel
 This package contains static libraries and header files needed for development of Protocol Buffer
 
-%package -n python-%{name}-py3
-Summary:       Python bindings for %{name}
-Group:         System/Libraries/Python
-Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
-Provides:      python-protobuf
-Obsoletes:     python-protobuf <= 21.12-1mamba
-Provides:      python-protobuf-py310
-Obsoletes:     python-protobuf-py310 < 25.3
-
-%description -n python-%{name}-py3
-This package contains the python bindings to %{protobuf} library.
-
 %debug_package
 
 %prep
@@ -64,7 +54,7 @@ This package contains the python bindings to %{protobuf} library.
 #:<< _EOF
 
 %define _default_patch_fuzz 2
-%patch 0 -p1 -b .pep517
+#%patch 0 -p1 -b .pep517
 %patch 1 -p1 -b .upstream-fix-Protobuf_PROTOC_EXECUTABLE
 %patch 2 -p1 -b .soversion
 
@@ -76,19 +66,10 @@ This package contains the python bindings to %{protobuf} library.
 
 %cmake_build
 
-cd python
-LDFLAGS+=" -L${PWD}/../build" \
-PROTOC="${PWD}/../build/protoc" \
-CFLAGS="%{optflags}" \
-%{__python3} -m build --no-isolation --wheel
-
 %install
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 %cmake_install
 
-cd python
-%{__python3} -m installer --destdir=%{buildroot} dist/*.whl
-
 %clean
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 
@@ -109,7 +90,8 @@ cd python
 %defattr(-,root,root)
 %dir %{_includedir}/google/protobuf
 %{_includedir}/google/protobuf/*
-%{_includedir}/java/core/src/main/java/com/google/protobuf/java_features.proto
+%{_includedir}/java/core/src/main/resources/google/protobuf/java_features.proto
+%{_includedir}/upb_generator/mangle.h
 %{_includedir}/utf8_range.h
 %{_includedir}/utf8_validity.h
 %{_libdir}/libprotobuf*.so
@@ -123,15 +105,10 @@ cd python
 %{_libdir}/pkgconfig/protobuf*.pc
 %{_libdir}/pkgconfig/utf8_range.pc
 
-%files -n python-%{name}-py3
-%defattr(-,root,root)
-%{python3_sitearch}/protobuf-*-py*-nspkg.pth
-%dir %{python3_sitearch}/protobuf-*.dist-info
-%{python3_sitearch}/protobuf-*.dist-info/*
-%dir %{python3_sitearch}/google/protobuf
-%{python3_sitearch}/google/protobuf/*
-
 %changelog
+* Fri Apr 05 2024 Automatic Build System <autodist@openmamba.org> 26.1-1mamba
+- automatic version update by autodist
+
 * Mon Feb 19 2024 Automatic Build System <autodist@openmamba.org> 25.3-1mamba
 - automatic version update by autodist