diff --git a/README.md b/README.md
index eb335be..f3f35f3 100644
--- a/README.md
+++ b/README.md
@@ -115,6 +115,6 @@ Please ask around @ Varia for who has PyPi access.
 
 ```
 $ # ... change the version number in setup.py ... #
-$ pip install twine
+$ pip install twine wheel
 $ make publish
 ```