diff --git a/README.md b/README.md
index 8f04e1a..715c442 100644
--- a/README.md
+++ b/README.md
@@ -7,12 +7,13 @@ Tool to publish [etherpad](http://etherpad.org/) pages to files.
 Requirements
 -------------
 
-None beyond standard lib.
+python-dateutil, html5lib
 
 
 Installation
 -------------
 
+    pip install python-dateutil html5lib
     python setup.py install
 
 Padinfo file