diff --git a/.autorestic.yml b/.autorestic.yml
index 6783e7e..ec0ec2a 100644
--- a/.autorestic.yml
+++ b/.autorestic.yml
@@ -2,7 +2,7 @@ version: 2
 
 global:
   forget:
-    keep-last: 2
+    keep-monthly: 1
 
 backends:
   hdd: