diff --git a/roles/matrix.nix b/roles/matrix.nix
index 90cec78..5f81b03 100644
--- a/roles/matrix.nix
+++ b/roles/matrix.nix
@@ -4,6 +4,10 @@
 
 {
 
+  imports = [
+    ../secrets/matrix.nix
+  ];
+
   services = {
 
     matrix-synapse = {
@@ -31,6 +35,13 @@
       max_upload_size = "100M";
       tls_certificate_path = "/var/lib/acme/synapse.mcwhirter.io/fullchain.pem";
       tls_private_key_path = "/var/lib/acme/synapse.mcwhirter.io/key.pem";
+      turn_shared_secret = "IZI43ylg6aJdMwy5MyhUPqT8SJD4C3P1vDcIFMzqGvTXJiCjAEvnPcDCBZfig5Q6";
+      turn_uris = [
+        "turn:turn.mcwhirter.io:5349?transport=udp"
+        "turn:turn.mcwhirter.io:5350?transport=udp"
+        "turn:turn.mcwhirter.io:5349?transport=tcp"
+        "turn:turn.mcwhirter.io:5350?transport=tcp"
+      ];
       url_preview_enabled = true;
     };