diff --git a/setup.py b/setup.py
index 801dc6efd..9bfed71b7 100644
--- a/setup.py
+++ b/setup.py
@@ -29,7 +29,7 @@ def main():
         author='holger krekel, Guido Wesdorp, Carl Friedrich Bolz, Armin Rigo, Maciej Fijalkowski & others',
         author_email='holger at merlinux.eu',
         entry_points= make_entry_points(),
-        install_requires=['py>1.4.1'],
+        install_requires=['py>1.4.3'],
         classifiers=['Development Status :: 5 - Production/Stable',
                      'Intended Audience :: Developers',
                      'License :: OSI Approved :: MIT License',
@@ -67,4 +67,4 @@ def make_entry_points():
     return {'console_scripts': l}
 
 if __name__ == '__main__':
-    main()
\ No newline at end of file
+    main()