diff --git CheMPS2/CheMPS2.spec CheMPS2/CheMPS2.spec.tmp
index 0988d985fb..0a88480b1b 100644
--- CheMPS2/CheMPS2.spec
+++ CheMPS2/CheMPS2.spec.tmp
@@ -1,6 +1,6 @@
 Name:           CheMPS2
 Version:        1.8.3
-Release:        4%{?dist}
+Release:        5%{?dist}
 Summary:        A spin-adapted implementation of DMRG for ab initio quantum chemistry
 
 License:        GPLv2+
@@ -37,11 +37,16 @@ Requires:       cmake
 The %{name}-devel package contains libraries and header files for
 developing applications that use %{name}.
 
-%package        python
+%package        -n python2-chemps2
+%{?python_provide:%python_provide python2-chemps2}
+%{?python_provide:%python_provide python2-CheMPS2}
+# Remove before F30
+Provides: %{name}-python%{?_isa} = %{version}-%{release}
+Obsoletes: %{name}-python < %{version}-%{release}
 Summary:        Python bindings for %{name}
 Requires:       %{name}%{?_isa} = %{version}-%{release}
 
-%description    python
+%description    -n python2-chemps2
 The %{name}-python package contains the python interface for %{name}.
 
 %prep
@@ -90,11 +95,15 @@ done
 %{_includedir}/chemps2/
 %{_libdir}/libchemps2.so
 
-%files python
+%files -n python2-chemps2
 %{python2_sitearch}/CheMPS2-%{version}-py*.egg-info
 %{python2_sitearch}/PyCheMPS2.so
 
 %changelog
+* Sat Aug 12 2017 Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> - 1.8.3-5
+- Python 2 binary package renamed to python2-chemps2
+  See https://fedoraproject.org/wiki/FinalizingFedoraSwitchtoPython3
+
 * Wed Aug 02 2017 Fedora Release Engineering <releng@fedoraproject.org> - 1.8.3-4
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Binutils_Mass_Rebuild