diff --git a/opencv45.spec b/opencv45.spec
index 3572841..5887433 100644
--- a/opencv45.spec
+++ b/opencv45.spec
@@ -2,7 +2,7 @@
 %define javaver %(echo %version | cut -d. -f1-3 | tr -d .)
 Name:          opencv45
 Version:       4.5.5
-Release:       2mamba
+Release:       3mamba
 Summary:       Collection of algorithms for computer vision
 Group:         Development/Libraries
 Vendor:        openmamba
@@ -51,6 +51,7 @@ OpenCV (Open Source Computer Vision) is a library of programming functions for r
 %package -n lib%{name}
 Summary:       Collection of algorithms for computer vision
 Group:         System/Libraries
+Requires:      libopencv
 #Requires:      %{name} = %{?epoch:%epoch:}%{version}-%{release}
 
 %description -n lib%{name}
@@ -172,12 +173,12 @@ rm -fr %{buildroot}%{_datadir}/opencv/doc
 %defattr(-,root,root)
 %{_bindir}/opencv_*
 %{_bindir}/setup_vars_opencv4.sh
+%dir %{_datadir}/opencv4
+%{_datadir}/opencv4/*
 
 %files -n lib%{name}
 %defattr(-,root,root)
 %{_libdir}/libopencv_*.so.*
-%dir %{_datadir}/opencv4
-%{_datadir}/opencv4/*
 
 %files -n lib%{name}-devel
 %defattr(-,root,root)
@@ -209,6 +210,9 @@ rm -fr %{buildroot}%{_datadir}/opencv/doc
 #%{python3_sitelib}/cv2/*
 
 %changelog
+* Sun Jan 22 2023 Silvan Calarco <silvan.calarco@mambasoft.it> 4.5.5-3mamba
+- libopencv45: move datadir conflicting with libopencv; require libopencv
+
 * Sat Oct 22 2022 Silvan Calarco <silvan.calarco@mambasoft.it> 4.5.5-2mamba
 - legacy package