diff --git a/README.rst b/README.rst
index cfc3f65..229ebdc 100644
--- a/README.rst
+++ b/README.rst
@@ -245,7 +245,7 @@ Supported Operating Systems
 - Red Hat Enterprise 5/6
 - SmartOS
 - SuSE 11 SP1/11 SP2
-- Ubuntu 10.x/11.x/12.x/13.04
+- Ubuntu 10.x/11.x/12.x/13.04/13.10