From f9567a7c7da069d3822f0458bbb52923be47bd35 Mon Sep 17 00:00:00 2001
From: Andros Fenollosa <tanrax@users.noreply.github.com>
Date: Sun, 19 Jun 2022 19:43:04 +0200
Subject: [PATCH] Update README.md

---
 README.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/README.md b/README.md
index ab4bdc9..6ef3b42 100644
--- a/README.md
+++ b/README.md
@@ -56,6 +56,12 @@ A file called `rss.xml` will be created.
 pyinstaller --onefile rssingle.py
 ```
 
+Old versions
+
+```shell
+docker run --rm --volume $PWD:/app python:3.8-buster /bin/bash -c "cd /app; pip3 install -r requirements.txt; pyinstaller --onefile rssingle.py"
+```
+
 You will find the binary in `dist`.
 
 ## Thanks