diff --git a/python-cysignals.spec b/python-cysignals.spec
index cc429e1..1955cd0 100644
--- a/python-cysignals.spec
+++ b/python-cysignals.spec
@@ -2,7 +2,7 @@
 
 Name:		python-%{modname}
 Version:	1.6.4
-Release:	1%{?dist}
+Release:	2%{?dist}
 Summary:	Interrupt and signal handling for Cython
 License:	LGPLv3+
 URL:		https://github.com/sagemath/%{modname}
@@ -56,8 +56,8 @@ Requires:	python3-%{modname}
 
 %package	doc
 Summary:	Documentation for %{name}
-BuildRequires:	python-sphinx
-Requires:	python-%{modname}
+BuildRequires:	python2-sphinx
+Requires:	python2-%{modname}
 BuildArch:	noarch
 %description	doc
 Documentation and examples for %{name}.
@@ -151,6 +151,10 @@ export PYTHONPATH
 %{_docdir}/%{name}/html
 
 %changelog
+* Thu Jan 18 2018 Iryna Shcherbina <ishcherb@redhat.com> - 1.6.4-2
+- Update Python 2 dependency declarations to new packaging standards
+  (See https://fedoraproject.org/wiki/FinalizingFedoraSwitchtoPython3)
+
 * Wed Nov 08 2017 pcpa <paulo.cesar.pereira.de.andrade@gmail.com> - 1.6.2-1
 - Update to version required by sagemath 8.0