diff --git a/python-readthedocs-sphinx-ext.spec b/python-readthedocs-sphinx-ext.spec
index 70a50d5..18e0e38 100644
--- a/python-readthedocs-sphinx-ext.spec
+++ b/python-readthedocs-sphinx-ext.spec
@@ -1,7 +1,7 @@
 %global srcname readthedocs-sphinx-ext
 
 Name:           python-%{srcname}
-Version:        2.1.2
+Version:        2.1.3
 Release:        1%{?dist}
 Summary:        Sphinx extension for Read the Docs overrides
 
@@ -10,11 +10,10 @@ URL:            https://github.com/readthedocs/readthedocs-sphinx-ext
 Source0:        %{url}/archive/%{version}/%{srcname}-%{version}.tar.gz
 BuildArch:      noarch
 
-BuildRequires:  pyproject-rpm-macros
-
-# upstream supports multiple sphinx versions
-# tox specifies dependency on sphinx based on toxenv,
-# so we add it manually here
+BuildRequires:  python3-devel
+BuildRequires:  %{py3_dist jinja2}
+BuildRequires:  %{py3_dist pytest}
+BuildRequires:  %{py3_dist requests}
 BuildRequires:  %{py3_dist sphinx}
 
 %global _desc %{expand:
@@ -35,18 +34,15 @@ Summary:        Sphinx extension for Read the Docs overrides
 %prep
 %autosetup -n %{srcname}-%{version}
 
-%generate_buildrequires
-%pyproject_buildrequires -t
-
 %build
-%pyproject_wheel
+%py3_build
 rst2html --no-datestamp README.rst README.html
 
 %install
-%pyproject_install
+%py3_install
 
 %check
-%tox
+pytest
 
 %files -n python3-%{srcname}
 %doc README.html
@@ -55,6 +51,10 @@ rst2html --no-datestamp README.rst README.html
 %{python3_sitelib}/readthedocs_sphinx_ext*
 
 %changelog
+* Tue Jan 19 2021 Jerry James <loganjerry@gmail.com> - 2.1.3-1
+- Version 2.1.3
+- Revert to the py3_* macros (avoids dependency on external mock)
+
 * Wed Jan  6 2021 Jerry James <loganjerry@gmail.com> - 2.1.2-1
 - Version 2.1.2
 
diff --git a/sources b/sources
index bd19377..393926a 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (readthedocs-sphinx-ext-2.1.2.tar.gz) = 12974b914151e7875afbcf27cc583a88d20932996f0b0e96acfc8935d8b7b5b98ef1dad35483c0a71ce3b948ad2973ecaaa2b64cdc8ad3551515961df78a49ca
+SHA512 (readthedocs-sphinx-ext-2.1.3.tar.gz) = 6ee1f6b08a12782624a77658fdfa0db70524dbeb6f73cd9877e5206c9509114455ba560509533f89055946041591536f61c88a570e589321deaf734e2b25c0d3