diff --git a/hosts/parsons/configuration.nix b/hosts/parsons/configuration.nix
index 2b7bf48..e879b4c 100644
--- a/hosts/parsons/configuration.nix
+++ b/hosts/parsons/configuration.nix
@@ -33,5 +33,20 @@
   services.nginx.recommendedProxySettings = true;
   networking.firewall.allowedTCPPorts = [ 80 443 ];
 
+  services.restic.backups.tardis = {
+    passwordFile = "/persist/restic/system";
+    s3CredentialsFile = "/persist/restic/system.s3creds";
+    paths = [
+      "/home"
+      "/persist"
+    ];
+    pruneOpts = [
+      "--keep-daily 7"
+      "--keep-weekly 5"
+      "--keep-monthly 3"
+    ];
+    repository = "b2:tardis-parsons:system";
+  };
+
   system.stateVersion = "21.05";
 }