diff --git a/hosts/oracle/default.nix b/hosts/oracle/default.nix
index 977b2c9..382e7cc 100644
--- a/hosts/oracle/default.nix
+++ b/hosts/oracle/default.nix
@@ -32,7 +32,7 @@ nixpkgs.lib.nixosSystem {
       backupS3 = {
         endpoint = "s3.us-west-002.backblazeb2.com";
         bucket = "noahmasur-backup";
-        accessKeyId = "0026b0e73b2e2c80000000004";
+        accessKeyId = "0026b0e73b2e2c80000000005";
       };
 
       # Grant access to Jellyfin directories from Nextcloud
diff --git a/modules/services/backups.nix b/modules/services/backups.nix
index 57503b6..d63e3dd 100644
--- a/modules/services/backups.nix
+++ b/modules/services/backups.nix
@@ -23,9 +23,13 @@
 
   config = {
 
+    users.groups.backup = { };
+
     secrets.backup = {
       source = ../../private/backup.age;
       dest = "${config.secretsDirectory}/backup";
+      group = "backup";
+      permissions = "0440";
     };
 
     # # Backup library to object storage
diff --git a/modules/services/calibre.nix b/modules/services/calibre.nix
index d43b9b5..dc29b8d 100644
--- a/modules/services/calibre.nix
+++ b/modules/services/calibre.nix
@@ -1,6 +1,6 @@
 { config, pkgs, lib, ... }: {
 
-  imports = [ ./caddy.nix ];
+  imports = [ ./caddy.nix ./backups.nix ];
 
   options = {
     bookServer = lib.mkOption {
@@ -39,6 +39,35 @@
       }];
     }];
 
+    # Run a backup on a schedule
+    systemd.timers.calibre-backup = {
+      timerConfig = {
+        OnCalendar = "*-*-* 00:00:00"; # Once per day
+        Unit = "calibre-backup.service";
+      };
+      wantedBy = [ "timers.target" ];
+    };
+
+    # Backup Calibre data to object storage
+    systemd.services.calibre-backup =
+      let libraryPath = "/var/lib/calibre-web"; # Default location
+      in {
+        description = "Backup Calibre data";
+        environment.AWS_ACCESS_KEY_ID = config.backupS3.accessKeyId;
+        serviceConfig = {
+          Type = "oneshot";
+          User = "calibre-web";
+          Group = "backup";
+          EnvironmentFile = config.secrets.backup.dest;
+        };
+        script = ''
+          ${pkgs.awscli2}/bin/aws s3 sync \
+              ${libraryPath}/ \
+              s3://${config.backupS3.bucket}/calibre/ \
+              --endpoint-url=https://${config.backupS3.endpoint}
+        '';
+      };
+
   };
 
 }
diff --git a/modules/services/nextcloud.nix b/modules/services/nextcloud.nix
index 60bcbdd..13f6aeb 100644
--- a/modules/services/nextcloud.nix
+++ b/modules/services/nextcloud.nix
@@ -60,7 +60,7 @@
       lib.mkForce "0770";
 
     # Allow litestream and nextcloud to share a sqlite database
-    users.users.litestream.extraGroups = [ "nextcloud" ];
+    users.users.litestream.extraGroups = [ "nextcloud" "backup" ];
     users.users.nextcloud.extraGroups = [ "litestream" ];
 
     # Backup sqlite database with litestream
diff --git a/private/backup.age b/private/backup.age
index 497ddf6..0a9a7e8 100644
--- a/private/backup.age
+++ b/private/backup.age
@@ -1,10 +1,10 @@
 -----BEGIN AGE ENCRYPTED FILE-----
-YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IHNzaC1lZDI1NTE5IE1nSGFPdyBuMUg4
-TG5Oa1U5WERGOWJibkRZRVJwZGdEZmRsSVBraHdVYTJwbGpNL1VnCjRYaW1nTUR0
-cjR2NHJ1V1lhRHp4a2VOekVTZVl5Rk5CcG1heHhsR2M5SHMKLT4gc3NoLWVkMjU1
-MTkgWXlTVU1RIHhEN3o1NzNTTVIvZG1VcERJQitkRk4vTmtFQk9SVUVJQUVOdVY2
-YWoxM1UKVVVMWTYzKzE4ZjVDWitGNkUvR2U1Z1VJdVdqOWhWZVAxNWFOaFZvZGpS
-OAotLS0gWlU2TEY0TFZiM3VCM0hWcDAvQlQzTjE3MkZSOGNXaUhDdVQzL2pVRzlT
-VQoP0xMzUx0ozRvXFrNfFNyqwzUoHl7GM1P6VFjjDjuMkuWtQ/+V6DV/rGlXDKJ9
-jidhm8Y0hbjL6cbQrolUSgHSzG5CPD/4pb3zmxTZ9ol7cQuR4PbnPQ==
+YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IHNzaC1lZDI1NTE5IE1nSGFPdyBmVEo2
+bExsZERhYi9vVXMxVThRK2w3dFR4UlZVcGlsWUFPM3pReTQwaW5ZCjQ5Z3g3amZC
+bWUwWkdKTStVbFpwMmdwK3pQQU5CeE5tMVNHbXI1UkdCTFUKLT4gc3NoLWVkMjU1
+MTkgWXlTVU1RIE9sTG1lOHIyVGdLNWtJRTZtdGNWWEFsTTJ5bE1HS1V2MEdKeGNN
+WFMyV28KVlRHdDg5SGFadVlJempKWkp6eEp6TkhINnl0R0xDL0J0WXByclpFWE5I
+VQotLS0gVVhaUDZLTy8xS3hKOVliSlpuTEY2Q2xOQUEvblBtUG9Vb0I5ZE1oOUZ1
+VQr18Jwx6XDa7bwq0QWT6NdIFzqNUHWhDyUvS9twncFsr0yEAUDQd2XLtE+Vc8T9
+Z7y/C8Ct5+duqd6YaeqROJz5zVj0NnI0lshirBl89PQWF9ihp4V4Hw==
 -----END AGE ENCRYPTED FILE-----