diff --git a/hosts/dingserver/synapse.nix b/hosts/dingserver/synapse.nix
index 739359b..5354f02 100644
--- a/hosts/dingserver/synapse.nix
+++ b/hosts/dingserver/synapse.nix
@@ -6,11 +6,21 @@
 }: let
   fqdn = "matrix.broccoli.town";
 in {
+  services.postgresql = {
+    enable = true;
+  };
+
   services.matrix-synapse = {
     enable = true;
     settings = {
       server_name = "broccoli.town";
-      database.name = "sqlite3";
+      database = {
+        name = "psycopg2";
+        args = {
+          database = "synapse";
+          user = "matrix-synapse";
+        };
+      };
       max_upload_size = "50M";
       listeners = [
         {