diff --git a/python-imagesize.spec b/python-imagesize.spec
index 45c33ab..8e6c947 100644
--- a/python-imagesize.spec
+++ b/python-imagesize.spec
@@ -12,9 +12,9 @@ URL:            https://github.com/shibukawa/imagesize_py
 Source0:        https://files.pythonhosted.org/packages/source/i/%{pypi_name}/%{pypi_name}-%{version}.tar.gz
 BuildArch:      noarch
 
-BuildRequires:  python3-setuptools
-BuildRequires:  python3-devel
-BuildRequires:  python3-pytest
+BuildRequires:  python%{python3_pkgversion}-setuptools
+BuildRequires:  python%{python3_pkgversion}-devel
+BuildRequires:  python%{python3_pkgversion}-pytest
 
 %description
 The imagesize package parses image file headers and returns the image sizes.
@@ -26,11 +26,11 @@ The imagesize package parses image file headers and returns the image sizes.
 
 This is a pure Python library.
 
-%package -n     python3-%{pypi_name}
+%package -n     python%{python3_pkgversion}-%{pypi_name}
 Summary:        %{sum}
-%{?python_provide:%python_provide python3-%{pypi_name}}
+%{?python_provide:%python_provide python%{python3_pkgversion}-%{pypi_name}}
 
-%description -n python3-%{pypi_name}
+%description -n python%{python3_pkgversion}-%{pypi_name}
 The imagesize package parses image file headers and returns the image sizes.
 
 * PNG
@@ -54,7 +54,7 @@ rm -rf %{pypi_name}.egg-info
 %check
 py.test-3
 
-%files -n python3-%{pypi_name}
+%files -n python%{python3_pkgversion}-%{pypi_name}
 %doc README.rst
 %license LICENSE.rst
 %{python3_sitelib}/*