diff --git a/README.md b/README.md
index 2dd25a6f025ebb2dc906309084b81365854aa828..6580ab703861867af452061b8bf2009c015c2733 100644
--- a/README.md
+++ b/README.md
@@ -256,7 +256,7 @@ Details in `REFERENCE.md`.
 
 This module is tested with following OSes :
   * Ubuntu 16.04
-  * Debian 8
+  * Debian 8, 9
   * CentOS 7
 
 Known bugs are listed in `CHANGELOG.md` file.