diff --git a/nixos/backups.nix b/nixos/backups.nix
index da40a3cf..61b65419 100644
--- a/nixos/backups.nix
+++ b/nixos/backups.nix
@@ -22,6 +22,13 @@ in {
       repository = "rest:http://bolty:8000/";
       timerConfig = {OnCalendar = "hourly";};
       extraBackupArgs = extraArgs;
+      pruneOpts = [
+        "--keep-hourly 25"
+        "--keep-daily 8"
+        "--keep-weekly 5"
+        "--keep-monthly 13"
+        "--keep-yearly 2"
+      ];
     };
 
     restic.backups.home-to-b2 = {
@@ -31,6 +38,13 @@ in {
       timerConfig = {OnCalendar = "hourly";};
       extraBackupArgs = extraArgs;
       environmentFile = "/etc/nixos/secrets/b2-env";
+      pruneOpts = [
+        "--keep-hourly 25"
+        "--keep-daily 8"
+        "--keep-weekly 5"
+        "--keep-monthly 13"
+        "--keep-yearly 2"
+      ];
     };
   };
 
diff --git a/nixos/boxes/vpsfree1/backups.nix b/nixos/boxes/vpsfree1/backups.nix
index 7f8bdf18..12c60442 100644
--- a/nixos/boxes/vpsfree1/backups.nix
+++ b/nixos/boxes/vpsfree1/backups.nix
@@ -37,6 +37,13 @@ in rec {
       extraBackupArgs = [
         "--exclude='cache'"
       ];
+      pruneOpts = [
+        "--keep-hourly 25"
+        "--keep-daily 8"
+        "--keep-weekly 5"
+        "--keep-monthly 13"
+        "--keep-yearly 2"
+      ];
     };
   };