diff --git a/doc/installation.rst b/doc/installation.rst
index 0c90d4188..bc06a3389 100644
--- a/doc/installation.rst
+++ b/doc/installation.rst
@@ -9,6 +9,13 @@ You will need a Server to perform well with at least:
 * CPU: 2
 * RAM: 2GB
 * Disk: 10GB
+* Python 3
+
+.. note:: **👀 Heads up for modoboa versions 1.15 and later**
+   
+   Python 2 support has been dropped with modoboa version 1.15. 
+   If you still have Python 2 installed on your system either uninstall it 
+   or force modoboa user to run with Python 3.
 
 Recommended way
 ===============