diff --git a/README.md b/README.md
index b8327c5..5520474 100644
--- a/README.md
+++ b/README.md
@@ -212,3 +212,4 @@ This module has been built on and tested against Puppet 3.2.3 and higher.
 The module has been tested on:
  * Arch Linux
  * Red Hat
+ * Debian (9)