diff --git a/services/communication/synapse-rendered.yaml b/services/communication/synapse-rendered.yaml
index b061997..6241761 100644
--- a/services/communication/synapse-rendered.yaml
+++ b/services/communication/synapse-rendered.yaml
@@ -344,6 +344,9 @@ data:
       msc3861:
         enabled: true
         issuer: "https://matrix.live.bstein.dev/"
+        client_id: synapse
+        client_secret: "@@MAS_SHARED_SECRET@@"
+        client_auth_method: client_secret_post
         admin_token: "@@MAS_SHARED_SECRET@@"
     max_event_delay_duration: 24h
     password_config:
@@ -681,7 +684,7 @@ spec:
   template:
     metadata:
       annotations:
-        checksum/config: manual-rtc-enable-2
+        checksum/config: manual-rtc-enable-3
         checksum/secrets: ec9f3b254a562a0f0709461eb74a8cc91b8c1a2fb06be2594a131776c2541773
       labels:
         app.kubernetes.io/name: matrix-synapse