diff --git a/PyOpenGL-accelerate-3.1.0.tar.gz b/PyOpenGL-accelerate-3.1.0.tar.gz
deleted file mode 100644
index 32f2e0c..0000000
--- a/PyOpenGL-accelerate-3.1.0.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:927f4670b893d46e2f6273ae938bf0a1db27ffae3336eba94813ccef6260c410
-size 323541
diff --git a/PyOpenGL-accelerate-3.1.1a1.tar.gz b/PyOpenGL-accelerate-3.1.1a1.tar.gz
new file mode 100644
index 0000000..a7e9256
--- /dev/null
+++ b/PyOpenGL-accelerate-3.1.1a1.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3d37af9f2565febf214e1da2a5fe019561992d34026ce2a5f51972e121b84cdd
+size 321665
diff --git a/python-opengl-accelerate.changes b/python-opengl-accelerate.changes
index ba35949..fc917ce 100644
--- a/python-opengl-accelerate.changes
+++ b/python-opengl-accelerate.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Mon Jun  5 11:20:26 UTC 2017 - aloisio@gmx.com
+
+- Update to version 3.1.1a1
+- Converted to single-spec
+
 -------------------------------------------------------------------
 Mon Jul 14 12:14:04 UTC 2014 - toddrme2178@gmail.com
 
diff --git a/python-opengl-accelerate.spec b/python-opengl-accelerate.spec
index 74f8d0f..752b475 100644
--- a/python-opengl-accelerate.spec
+++ b/python-opengl-accelerate.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-opengl-accelerate
 #
-# Copyright (c) 2014 SUSE LINUX Products GmbH, Nuernberg, Germany.
+# Copyright (c) 2017 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -16,23 +16,26 @@
 #
 
 
-Name:           python-opengl-accelerate
+%{?!python_module:%define python_module() python-%{**} python3-%{**}}
 %define tarname PyOpenGL-accelerate
-Version:        3.1.0
+Name:           python-opengl-accelerate
+Version:        3.1.1a1
 Release:        0
 Summary:        Acceleration for python-opengl
 License:        BSD-3-Clause
 Group:          Development/Libraries/Python
 Url:            http://pyopengl.sourceforge.net
-Source0:        https://pypi.python.org/packages/source/P/%{tarname}/%{tarname}-%{version}.tar.gz
-BuildRequires:  python-Cython
-BuildRequires:  python-devel
-BuildRequires:  python-numpy-devel
-BuildRequires:  python-opengl == %{version}
+Source0:        https://files.pythonhosted.org/packages/source/P/%{tarname}/%{tarname}-%{version}.tar.gz
+BuildRequires:  %{python_module Cython}
+BuildRequires:  %{python_module devel}
+BuildRequires:  %{python_module numpy-devel}
+BuildRequires:  %{python_module opengl == %{version}}
+BuildRequires:  fdupes
+BuildRequires:  python-rpm-macros
 Requires:       python-numpy
 Requires:       python-opengl == %{version}
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
-%{py_requires}
+%python_subpackages
 
 %description
 This set of C (Cython) extensions provides acceleration of common
@@ -44,18 +47,17 @@ code.
 %setup -q -n %{tarname}-%{version}
 
 %build
-CFLAGS="%{optflags} -DGLX_GLXEXT_LEGACY" python setup.py build
+export CFLAGS="%{optflags} -DGLX_GLXEXT_LEGACY"
+%python_build
 
 %install
-python setup.py install --prefix=%{_prefix} --root=%{buildroot}
+%python_install
+%python_expand %fdupes -s %{buildroot}%{$python_sitearch}
 
-%clean
-rm -rf %{buildroot}
-
-%files
+%files %{python_files}
 %defattr(-,root,root)
 %doc README.txt license.txt
 %{python_sitearch}/OpenGL_accelerate/
-%{python_sitearch}/PyOpenGL_accelerate-%{version}-py*.egg-info
+%{python_sitearch}/PyOpenGL_accelerate-%{version}-py%{python_version}.egg-info
 
 %changelog