diff --git a/README.md b/README.md
index 0a2f00d..ee31ef2 100644
--- a/README.md
+++ b/README.md
@@ -30,6 +30,10 @@ Further development requires Android Studio, we recommend to use the latest vers
 Mininum SDK: 16
 Target SDK: 33
 
+## Data Backup
+
+You can use the [Privacy Friendly Backup app](https://github.com/SecUSo/privacy-friendly-backup) to backup and restore this application's data. This can also be used to migrate your data to a new phone.
+
 ## License
 
 Privacy Friendly Sudoku is lisenced under the GPLv3.<br />