diff --git a/mingw-opencv.spec b/mingw-opencv.spec
index f646b79..7b05ddb 100644
--- a/mingw-opencv.spec
+++ b/mingw-opencv.spec
@@ -4,7 +4,7 @@
 
 Name:          mingw-%{pkgname}
 Version:       4.3.0
-Release:       5%{?dist}
+Release:       6%{?dist}
 Summary:       MinGW Windows OpenCV library
 
 BuildArch:     noarch
@@ -94,6 +94,7 @@ MinGW Windows OpenCV library.
 
 %package -n mingw32-python3-%{pkgname}
 Summary:       MinGW Windows Python3 OpenCV bindings
+Requires:      mingw32-%{pkgname} = %{version}-%{release}
 
 %description -n mingw32-python3-%{pkgname}
 MinGW Windows Python3 OpenCV bindings.
@@ -101,6 +102,7 @@ MinGW Windows Python3 OpenCV bindings.
 
 %package -n mingw32-%{pkgname}-tools
 Summary:       MinGW Windows OpenCV library tools
+Requires:      mingw32-%{pkgname} = %{version}-%{release}
 
 %description -n mingw32-%{pkgname}-tools
 MinGW Windows OpenCV library tools.
@@ -115,6 +117,7 @@ MinGW Windows OpenCV library.
 
 %package -n mingw64-python3-%{pkgname}
 Summary:       MinGW Windows Python3 OpenCV bindings
+Requires:      mingw64-%{pkgname} = %{version}-%{release}
 
 %description -n mingw64-python3-%{pkgname}
 MinGW Windows Python3 OpenCV bindings.
@@ -122,6 +125,8 @@ MinGW Windows Python3 OpenCV bindings.
 
 %package -n mingw64-%{pkgname}-tools
 Summary:       MinGW Windows OpenCV library tools
+Requires:      mingw64-%{pkgname} = %{version}-%{release}
+
 
 %description -n mingw64-%{pkgname}-tools
 MinGW Windows OpenCV library tools.
@@ -225,6 +230,9 @@ rm -f %{buildroot}%{mingw64_prefix}/{LICENSE,setup_vars_opencv4.cmd}
 
 
 %changelog
+* Mon Sep 28 2020 Sandro Mani <manisandro@gmail.com> - 4.3.0-6
+- Harden requires
+
 * Mon Sep 28 2020 Sandro Mani <manisandro@gmail.com> - 4.3.0-5
 - Rebuild (protobuf)