diff --git a/setup.py b/setup.py
index e2bd4c60..3f836293 100755
--- a/setup.py
+++ b/setup.py
@@ -4,7 +4,7 @@ import sys
 
 VERSION = "2.7.2" # find a better way to do so.
 
-requires = ['feedgenerator', 'jinja2', 'pygments', 'docutils']
+requires = ['feedgenerator', 'jinja2', 'pygments', 'docutils', 'markdown']
 if sys.version_info < (2,7):
     requires.append('argparse')