diff --git a/debian/changelog b/debian/changelog
index cc7a7b2c..6b0ca285 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,10 @@
+workadventure (1.2.4-2) unstable; urgency=medium
+
+  * Fix chat dialog spacing
+  * Improve systemd unit for backend
+
+ -- unknown <felix@localhost>  Wed, 21 Apr 2021 21:55:41 +0200
+
 workadventure (1.2.4-1) unstable; urgency=medium
 
   * Initial release
diff --git a/debian/workadventure-back.service b/debian/workadventure-back.service
index b5c2d1f3..bd720553 100644
--- a/debian/workadventure-back.service
+++ b/debian/workadventure-back.service
@@ -6,6 +6,8 @@ User=webspace-user
 WorkingDirectory=/var/lib/workadventure/back
 Environment=NODE_PATH=node_modules
 ExecStart=node --max-old-space-size=4096 server.js
+ProtectSystem=Full
+ProtectHome=true
 
 [Install]
 WantedBy=multi-user.target