diff --git a/README.md b/README.md
index 7760d2a56df2e6c3bb10f1732fd46777cd8a0564..c404fd9a99676a2e3862a9e3d987937a0a6fa764 100644
--- a/README.md
+++ b/README.md
@@ -59,7 +59,7 @@ in Python 2.7 by default. You can also write code that is compatible with both
 
 * [pandas](http://pandas.pydata.org/)
 
-* xlrd
+* xlrd and xlwt from [python-excel](http://www.python-excel.org/)
 
 * h5py