diff --git a/python3-Cython.changes b/python3-Cython.changes
index a8cfe8b..35431c6 100644
--- a/python3-Cython.changes
+++ b/python3-Cython.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Wed Apr  3 06:50:48 UTC 2013 - arun@gmx.de
+
+- fixed python3 build by including 2to3 and python3 as dependencies 
+
 -------------------------------------------------------------------
 Wed Mar 27 12:17:42 UTC 2013 - speilicke@suse.com
 
diff --git a/python3-Cython.spec b/python3-Cython.spec
index 8ab2366..4ddda60 100644
--- a/python3-Cython.spec
+++ b/python3-Cython.spec
@@ -26,7 +26,10 @@ Group:          Development/Languages/Python
 Source:         http://pypi.python.org/packages/source/C/Cython/Cython-%{version}.tar.gz
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 BuildRequires:  fdupes
+BuildRequires:  python3
+BuildRequires:  python3-2to3
 BuildRequires:  python3-devel
+Requires:       python3
 
 %description
 The Cython language makes writing C extensions for the Python language as