diff --git a/README.rst b/README.rst
index 6565d7e..af42adf 100644
--- a/README.rst
+++ b/README.rst
@@ -36,6 +36,7 @@ You can install cachier using:
 Features
 ----------------------
 
+* Compatible with Python 2.7+ and Python 3.5+.
 * A simple interface.
 * Defining "shelf life" for cached values.
 * Local caching using pickle files.