diff --git a/hosts/chunk/borg.nix b/hosts/chunk/borg.nix
index f186a69..fae082f 100644
--- a/hosts/chunk/borg.nix
+++ b/hosts/chunk/borg.nix
@@ -50,6 +50,13 @@
         $(journalctl -u borgbackup-job-crashRsync.service|tail -n 5)" \
         https://ntfy.cything.io/chunk
       '';
+
+      prune.keep = {
+        within = "1d";
+        daily = "7d";
+        weekly = 4;
+        monthly = -1;
+      };
     };
   };
 }
diff --git a/hosts/ytnix/default.nix b/hosts/ytnix/default.nix
index b1af0a3..ff194d6 100644
--- a/hosts/ytnix/default.nix
+++ b/hosts/ytnix/default.nix
@@ -231,6 +231,13 @@
       $(journalctl -u borgbackup-job-ytnixRsync.service|tail -n 5)" \
       https://ntfy.cything.io/chunk
     '';
+
+      prune.keep = {
+        within = "1d";
+        daily = "7d";
+        weekly = 4;
+        monthly = -1;
+      };
   };
 
   services.btrbk.instances.local = {