diff --git a/systems/x86_64-linux/jallen-nas/services.nix b/systems/x86_64-linux/jallen-nas/services.nix
index af01b58..91e2cbb 100755
--- a/systems/x86_64-linux/jallen-nas/services.nix
+++ b/systems/x86_64-linux/jallen-nas/services.nix
@@ -29,6 +29,7 @@
         "authentik"
         "homeassistant"
         "nextcloud"
+        "synapse"
       ];
       ensureUsers = [
         {
@@ -43,6 +44,10 @@
           name = "nextcloud";
           ensureDBOwnership = true;
         }
+        {
+          name = "synapse";
+          ensureDBOwnership = true;
+        }
       ];
       # Allow access via pg_hba.conf rules:
       authentication = pkgs.lib.mkOverride 50 ''
@@ -52,6 +57,8 @@
         local   nextcloud       nextcloud                           trust
         host    nextcloud       nextcloud       10.0.1.0/24         trust
         host    nextcloud       nextcloud       ::1/128             trust
+        local   synapse         synapse                             trust
+        host    synapse         synapse         ::1/128             trust
       '';
     };