diff --git a/modules/podman-mariadb.nix b/modules/podman-mariadb.nix
index 7530387..4455468 100644
--- a/modules/podman-mariadb.nix
+++ b/modules/podman-mariadb.nix
@@ -61,6 +61,13 @@ in
             example = "daily";
           };
 
+          backupRetention = mkOption {
+            description = "The amount of backups to keep.";
+            type = types.int;
+            default = 28;
+            example = "2";
+          };
+
         };
       }));
     };
@@ -99,22 +106,26 @@ in
     }) cfgs);
 
 
-    #systemd = mkMerge (mapAttrsToList (_: cfg: {
-    #  services."podman-mariadb-${cfg.database}-backup" = {
-    #    description = "Backup of ${cfg.database} database";
-    #    requisite = [ "podman-mariadb-${cfg.database}.service" ];
-    #    serviceConfig = {
-    #      ExecStart = "${pkgs.bash}/bin/bash -c '${pkgs.podman}/bin/podman exec postgresql-${cfg.database} pg_dumpall -c -U ${cfg.user} | ${pkgs.zstd}/bin/zstd -o ${cfg.backupPath}/${cfg.database}/\$(${pkgs.coreutils}/bin/date +%%F_%%R).sql.zst'" ;
-    #      Type = "oneshot";
-    #    };
-    #  };
-    #  timers."podman-mariadb-${cfg.database}-backup" = {
-    #    timerConfig = {
-    #      OnCalendar = cfg.backupInterval;
-    #    };
-    #    wantedBy = [ "podman-mariadb-${cfg.database}.service" ];
-    #  };
-    #}) cfgs);
+    systemd = mkMerge (mapAttrsToList (_: cfg: {
+      services."podman-mariadb-${cfg.database}-backup" = {
+        description = "Backup of ${cfg.database} database";
+        requisite = [ "podman-mariadb-${cfg.database}.service" ];
+        serviceConfig = {
+          ExecStart =
+          let
+            retention = (toString cfg.backupRetention);
+          in
+            ''${pkgs.bash}/bin/bash -c "${pkgs.podman}/bin/podman exec mariadb-${cfg.database} /bin/bash -c 'MYSQL_PWD=$(cat $MARIADB_PASSWORD_FILE) mariadb-dump --all-databases -u${cfg.database}' | ${pkgs.zstd}/bin/zstd -o ${cfg.backupPath}/${cfg.database}/$(${pkgs.coreutils}/bin/date +%%F_%%R).sql.zst && find ${cfg.backupPath}/${cfg.database} -type f | sort | head -n -${retention} | xargs rm -v" '' ;
+          Type = "oneshot";
+        };
+      };
+      timers."podman-mariadb-${cfg.database}-backup" = {
+        timerConfig = {
+          OnCalendar = cfg.backupInterval;
+        };
+        wantedBy = [ "podman-mariadb-${cfg.database}.service" ];
+      };
+    }) cfgs);
 
   };