diff --git a/README.md b/README.md
index 834af58..3786ee2 100644
--- a/README.md
+++ b/README.md
@@ -6,5 +6,6 @@ How it works:
 In the final version, you will just have to execute the nassi.exe and choose your Code, it will display a preview of the Nassi-Shneiderman-Diagramm and give you the path of the created picture.
 
 Using:
+Python 3.9.1 with 
 PySimpleGUI &
 Pillow