diff --git a/mpich.spec b/mpich.spec
index e775747..aeaee12 100644
--- a/mpich.spec
+++ b/mpich.spec
@@ -1,7 +1,7 @@
 Summary:        A high-performance implementation of MPI
 Name:           mpich
 Version:        3.2.1
-Release:        11%{?dist}
+Release:        12%{?dist}
 License:        MIT
 URL:            http://www.mpich.org/
 
@@ -89,12 +89,16 @@ Contains documentations, examples and man-pages for mpich
 
 %package -n python2-mpich
 Summary:        mpich support for Python 2
+Requires:       %{name} = %{version}-%{release}
+Requires:       python(abi) = %{python2_version}
 
 %description -n python2-mpich
 mpich support for Python 2.
 
 %package -n python3-mpich
 Summary:        mpich support for Python 3
+Requires:       %{name} = %{version}-%{release}
+Requires:       python(abi) = %{python3_version}
 
 %description -n python3-mpich
 mpich support for Python 3.
@@ -224,6 +228,9 @@ make check VERBOSE=1
 %{python3_sitearch}/%{name}.pth
 
 %changelog
+* Wed May  8 2019 Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> - 3.2.1-12
+- Require main package and appropriate python version from python subpackages
+
 * Tue May  7 2019 Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> - 3.2.1-11
 - Add a guard for python3 version (#1705296)
 - Module files are moved to /usr/share/modulefiles/mpi/