diff --git a/opencv.spec b/opencv.spec
index 3e94fb5..fef618d 100644
--- a/opencv.spec
+++ b/opencv.spec
@@ -99,7 +99,7 @@ OpenCV means Intel Open Source Computer Vision Library. It is a collection of C
 functions and a few C++ classes that implement some popular Image Processing and
 Computer Vision algorithms.
 
-%package -n %{name}-cascades-data
+%package -n %{name}4-cascades-data
 Summary:        Classifier cascades for OpenCV
 License:        BSD-3-Clause
 Group:          System/Libraries
@@ -107,7 +107,7 @@ Conflicts:      %{name} < %{version}-%{release}
 Provides:       %{name}:%{_datadir}/opencv4/lbpcascades/lbpcascade_silverware.xml
 BuildArch:      noarch
 
-%description -n %{name}-cascades-data
+%description -n %{name}4-cascades-data
 Haar and LBP cascades for face and object detecton
 
 %package -n %{libname}%{soname}
@@ -125,7 +125,7 @@ Summary:        Face detection libraries for OpenCV
 License:        BSD-3-Clause
 Group:          System/Libraries
 Conflicts:      %{libname}%{soname} < %{version}-%{release}
-Requires:       %{name}-cascades-data = %{version}
+Requires:       %{name}4-cascades-data
 
 %description -n libopencv_face%{soname}
 Face detection libraries for OpenCV
@@ -162,7 +162,7 @@ Summary:        Face detection libraries for OpenCV
 License:        BSD-3-Clause
 Group:          System/Libraries
 Conflicts:      %{libname}%{soname} < %{version}-%{release}
-Requires:       %{name}-cascades-data = %{version}
+Requires:       %{name}4-cascades-data
 
 %description -n libopencv_objdetect%{soname}
 Object detection libraries for OpenCV
@@ -359,12 +359,13 @@ sed -i -e 's|//usr||g' %{buildroot}%{_libdir}/pkgconfig/opencv4.pc
 %post -n libopencv_objdetect%{soname} -p /sbin/ldconfig
 %postun -n libopencv_objdetect%{soname} -p /sbin/ldconfig
 %post -n libopencv_superres%{soname} -p /sbin/ldconfig
-%postun -n libopencv_videoio%{soname} -p /sbin/ldconfig
+%postun -n libopencv_superres%{soname} -p /sbin/ldconfig
 %post -n libopencv_videoio%{soname} -p /sbin/ldconfig
-%postun -n libopencv_videostab%{soname} -p /sbin/ldconfig
+%postun -n libopencv_videoio%{soname} -p /sbin/ldconfig
 %post -n libopencv_videostab%{soname} -p /sbin/ldconfig
-%postun -n libopencv_ximgproc%{soname} -p /sbin/ldconfig
+%postun -n libopencv_videostab%{soname} -p /sbin/ldconfig
 %post -n libopencv_ximgproc%{soname} -p /sbin/ldconfig
+%postun -n libopencv_ximgproc%{soname} -p /sbin/ldconfig
 
 
 %files
@@ -374,7 +375,7 @@ sed -i -e 's|//usr||g' %{buildroot}%{_libdir}/pkgconfig/opencv4.pc
 %dir %{_datadir}/opencv4
 %exclude %{_datadir}/opencv4/valgrind*
 
-%files -n %{name}-cascades-data
+%files -n %{name}4-cascades-data
 %{_datadir}/opencv4/*cascades
 
 %files -n %{libname}%{soname}