diff --git a/Installing-on-Debian-Linux.md b/Installing-on-Debian-Linux.md
index 60f9ebf..fecb2fb 100644
--- a/Installing-on-Debian-Linux.md
+++ b/Installing-on-Debian-Linux.md
@@ -11,7 +11,7 @@ Install `pipx`
 apt-get install pipx
 ```
 
-### Install 
+### Installation
 
 ```
 # as normal user
@@ -25,3 +25,14 @@ pipx ensurepath
 # as normal user
 pipx run radicale --logging-level info --storage-filesystem-folder=~/.var/lib/radicale/collections
 ```
+
+## Debian 12 "sytemwide"
+
+ATTENTION: as of 2025-01-31 only version 3.1.8 is available
+
+### Installation
+
+```
+# as root user
+apt-get install radicale
+```