diff --git a/README.md b/README.md
index 7397feb..88ff20b 100644
--- a/README.md
+++ b/README.md
@@ -8,6 +8,7 @@ Drops of glue between [SSHFS](https://github.com/libfuse/sshfs), [Borg](https://
 - Encrypted, deduplicated backups thanks to Borg
 - Backup of specified directories to SSHFS
 - Daily cron scheduler
+- Auto-prune old archives
 
 ## Usage
 
@@ -18,7 +19,7 @@ Then either run `sudo tupper backup` or wait for the daily cron scheduler to kic
 
 ## Building
 
-`dpkg-deb --build . tupper_0.1_all.deb`
+`dpkg-deb --build . tupper_0.2_all.deb`
 
 ## TODO / Known pitfalls
 
diff --git a/usr/sbin/tupper b/usr/sbin/tupper
index 4a9ed94..6425010 100755
--- a/usr/sbin/tupper
+++ b/usr/sbin/tupper
@@ -47,6 +47,7 @@ if [ "$ACTION" = "initialize" ]; then
 	borg init --encryption=repokey "$TARGET"
 elif [ "$ACTION" = "backup" ]; then
 	borg create --stats "$MOUNTPOINT::"'{now}' "$TARGET"
+	borg prune --list --show-rc --keep-daily 7 --keep-weekly 4 --keep-monthly 3 "$MOUNTPOINT"
 	borg list "$MOUNTPOINT"
 fi