diff --git a/README.md b/README.md
index 3192d0b..d7190a2 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@ Dropship is built using Python and GTK3.
 
 Dropship should work on the following distributions:
 
-- Debian Stretch (9.0)
+- Debian Bullseye
 
 Other Linux distributions may work as well. We currently do not support MacOS or Windows.
 
@@ -41,9 +41,9 @@ Dropship requires the following system dependencies:
 [![PyPI version](https://badge.fury.io/py/dropship.svg)](https://badge.fury.io/py/dropship)
 [![Build Status](https://travis-ci.org/decentral1se/dropship.svg?branch=main)](https://travis-ci.org/decentral1se/dropship)
 
-<details><summary>Debian Stretch</summary>
+<details><summary>Debian Bullseye</summary>
 <pre>
-$ sudo apt install -y python3-gi python3-gi-cairo gir1.2-gtk-3.0
+$ sudo apt install -y python3-gi python3-cairo-dev python3-gi-cairo gir1.2-gtk-3.0 libglib2.0-dev libgirepository1.0-dev libcairo2-dev
 $ python3 -m venv .venv
 $ source .venv/bin/activate
 $ pip install dropship