diff --git a/.gitignore b/.gitignore
index bc7b989..b33172f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -182,3 +182,4 @@ dmypy.json
 
 netbox-docker
 /.vscode
+class_diagram/
diff --git a/README.md b/README.md
index f0e8473..fce44ce 100644
--- a/README.md
+++ b/README.md
@@ -21,7 +21,7 @@ The goal is to generate an existing infrastructure on Netbox and have the abilit
 # Requirements
 
 - Netbox >= 2.6
-- Python >= 3.8
+- Python >= 3.7
 - [pynetbox](https://github.com/digitalocean/pynetbox/)
 - [python3-netaddr](https://github.com/drkjam/netaddr)
 - [python3-netifaces](https://github.com/al45tair/netifaces)