diff --git a/setup.py b/setup.py
index 05178fb12ac..c776b910a8c 100644
--- a/setup.py
+++ b/setup.py
@@ -115,7 +115,7 @@ setuptools.setup(
       #include_package_data = True,
       install_requires = [
           'pychart', # not on pypi, use: pip install http://download.gna.org/pychart/PyChart-1.39.tar.gz
-          'babel',
+          'babel >= 1.0',
           'docutils',
           'feedparser',
           'gdata',