diff --git a/services/comms/synapse-rendered.yaml b/services/comms/synapse-rendered.yaml
index bf88bcc..f7d9188 100644
--- a/services/comms/synapse-rendered.yaml
+++ b/services/comms/synapse-rendered.yaml
@@ -273,7 +273,7 @@ data:
     listeners:
       - port: 8008
         tls: false
-        bind_addresses: ["::"]
+        bind_addresses: ["0.0.0.0"]
         type: http
         x_forwarded: true
 
@@ -671,7 +671,7 @@ spec:
   template:
     metadata:
       annotations:
-        checksum/config: manual-rtc-enable-9
+        checksum/config: manual-rtc-enable-10
         checksum/secrets: ec9f3b254a562a0f0709461eb74a8cc91b8c1a2fb06be2594a131776c2541773
       labels:
         app.kubernetes.io/name: matrix-synapse