diff --git a/test/README.md b/test/README.md
index c4abddc..80ccf99 100644
--- a/test/README.md
+++ b/test/README.md
@@ -8,6 +8,29 @@ machine state. The tests are deterministic, and each test is run in a virtual
 machine with fresh state, ensuring that tests that modify system state are
 easily repeatable.
 
+Installing the Test environnement
+---------------------------------
+
+### Debian-based distributions
+
+- Install the test requirements
+
+```bash
+sudo apt install vagrant virtualbox
+```
+
+- Install the [Sahara][sahara] Vagrant plugin
+
+```bash
+vagrant plugin install sahara
+```
+
+- Install Dotbot dependencies
+
+```bash
+git submodule update --init --recursive
+```
+
 Running the Tests
 -----------------