diff --git a/README.md b/README.md
index 7409ddd2..4edcdddc 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@
 ![Docker Build Status](https://github.com/Part-DB/Part-DB-symfony/workflows/Docker%20Image%20Build/badge.svg)
 [![Crowdin](https://badges.crowdin.net/e/8325196085d4bee8c04b75f7c915452a/localized.svg)](https://part-db.crowdin.com/part-db)
 
-**[Documentation](https://docs.part-db.de/)** | **[Demo](https://part-db.herokuapp.com)** | **[Docker Image](https://hub.docker.com/r/jbtronics/part-db1)**
+**[Documentation](https://docs.part-db.de/)** | **[Demo](https://demo.part-db.de/)** | **[Docker Image](https://hub.docker.com/r/jbtronics/part-db1)**
 
 # Part-DB
 
@@ -24,8 +24,8 @@ for everybody.
 
 ## Demo
 
-If you want to test Part-DB without installing it, you can use [this](https://part-db.herokuapp.com) Heroku instance.
-(Or this link for the [German Version](https://part-db.herokuapp.com/de/)).
+If you want to test Part-DB without installing it, you can use [this](https://demo.part-db.de/) Heroku instance.
+(Or this link for the [German Version](https://demo.part-db.de/de/)).
 
 You can log in with username: *user* and password: *user*.
 
diff --git a/docs/index.md b/docs/index.md
index c3dbaa73..2d29b982 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -12,8 +12,8 @@ It is installed on a web server and so can be accessed with any browser without
 {: .important-title }
 > Demo
 >
-> If you want to test Part-DB without installing it, you can use [this](https://part-db.herokuapp.com) Heroku instance.
-> (Or this link for the [German Version](https://part-db.herokuapp.com/de/)).
+> If you want to test Part-DB without installing it, you can use [this](https://demo.part-db.de/) Heroku instance.
+> (Or this link for the [German Version](https://demo.part-db.de/de/)).
 >
 > You can log in with username: **user** and password: **user**, to change/create data.
 >