diff --git a/parsons/mattermost.nix b/parsons/mattermost.nix
index 17b22d9..bf3354f 100644
--- a/parsons/mattermost.nix
+++ b/parsons/mattermost.nix
@@ -211,6 +211,12 @@
           host  mattermost mattermost ::1/128      trust
         '';
       };
+      services.postgresqlBackup = {
+        enable = true;
+        databases = [ "mattermost" ];
+        startAt = "*-*-* 23:45:00";
+        location = "/persist/backups/postgres";
+      };
 
       networking.firewall.allowedTCPPorts = [ 3000 ];
 
diff --git a/parsons/nextcloud.nix b/parsons/nextcloud.nix
index d552bd4..1130ea7 100644
--- a/parsons/nextcloud.nix
+++ b/parsons/nextcloud.nix
@@ -69,6 +69,13 @@
         ];
       };
 
+      services.postgresqlBackup = {
+        enable = true;
+        databases = [ "nextcloud" ];
+        startAt = "*-*-* 23:45:00";
+        location = "/persist/backups/postgres";
+      };
+
       # ensure that postgres is running *before* running the setup
       systemd.services."nextcloud-setup" = {
         requires = ["postgresql.service"];