diff --git a/README.md b/README.md
index 655d913..3bb7e6f 100644
--- a/README.md
+++ b/README.md
@@ -6,4 +6,9 @@
 wget https://git.hibbit.net/rogier/scripts/raw/branch/master/setup-unattended-upgrades.sh && \
 chmod +x setup-unattended-upgrades.sh && \
 sudo ./setup-unattended-upgrades.sh
+```
+
+### Upgrade: Debian 12 to 13
+```
+curl -s https://git.hibbit.net/rogier/scripts/raw/branch/master/debian12to13-upgrade.sh | bash
 ```
\ No newline at end of file