diff --git a/libvigra.spec b/libvigra.spec
index 1f14594..7cf6c3c 100644
--- a/libvigra.spec
+++ b/libvigra.spec
@@ -1,6 +1,6 @@
 %define pkgver %(echo %version | tr . -)
 Name:          libvigra
-Version:       1.11.2
+Version:       1.12.1
 Release:       1mamba
 Summary:       A computer vision library that puts its main emphasize on customizable algorithms and data structures
 Group:         System/Libraries
@@ -62,7 +62,8 @@ VIGRA stands for "Vision with Generic Algorithms". It's a novel computer vision
 %build
 %cmake -d build \
    -DDOCINSTALL=share/doc \
-   -DPYTHON_EXECUTABLE=%{__python3} \
+   -DPython_EXECUTABLE=%{__python3} \
+   -DPython_INCLUDEDIR=%{python3_inc} \
    -DWITH_OPENEXR=true \
    -DWITH_VIGRANUMPY=1 \
    -DCMAKE_C_FLAGS="-DH5_USE_110_API" \
@@ -99,10 +100,13 @@ rm -f %{buildroot}%{_docdir}/vigranumpy/.buildinfo
 
 %files -n python-vigra-py3
 %defattr(-,root,root)
-%dir %{python3_sitearch}/vigra
-%{python3_sitearch}/vigra/*
+%dir %{python3_sitelib}/vigra
+%{python3_sitelib}/vigra/*
 
 %changelog
+* Tue Sep 03 2024 Automatic Build System <autodist@openmamba.org> 1.12.1-1mamba
+- automatic version update by autodist
+
 * Sun Oct 08 2023 Automatic Build System <autodist@mambasoft.it> 1.11.2-1mamba
 - automatic version update by autodist