diff --git a/README.md b/README.md
index 63bbdf4..86b9c89 100644
--- a/README.md
+++ b/README.md
@@ -41,3 +41,12 @@ But for idempotency I should probably only do it if the zone has changed or the
 ### Firewall
 
 A little more difficult because of docker networking but probably doable.
+
+### Backup server
+
+Given that I am now backing up my data to another server using Borg, it makes sense to include that server into IaC as well.
+Should be pretty straight forward:
+
+- Install Borg and Borgmatic
+- Initialize the Borg repository if it doesn't exist yet.
+- Add the homeserver's public key to authorized keys.