diff --git a/INSTALL.md b/INSTALL.md
index ee596c4..4d41c62 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -1,6 +1,6 @@
 # Installation
 
-## Prequisits
+## Prerequisites
 
 Python 3.x + virtualenv
 
@@ -10,6 +10,13 @@ Python 3.x + virtualenv
 yum install python34-virtualenv.noarch
 ```
 
+### Debian 11
+
+```
+sudo apt-get update
+sudo apt-get install git python3-virtualenv libmariadb-dev libldap2-dev libsasl2-dev
+```
+
 ## Checkout
 
 ~~~~bash
@@ -22,8 +29,8 @@ cd ivatar
 ~~~~bash
 virtualenv -p python3 .virtualenv 
 source .virtualenv/bin/activate
-pip install -r requirements.txt
 pip install pillow
+pip install -r requirements.txt
 ~~~~
 
 ## (SQL) Migrations