diff --git a/matrix.yml b/matrix.yml
index f0a869c..c54f53e 100644
--- a/matrix.yml
+++ b/matrix.yml
@@ -5,7 +5,7 @@
     matrix_synapse_version: "v1.5.1-py3"
     # matrix_synapse_version: "v1.5.1"
     matrix_server_name: matrix-sonic-beta.local
-    matrix_bind_address: "91.121.210.102"
+    matrix_bind_address: "192.168.42.4"
 
     matrix_synapse_pg_host: synapse-postgres # does it need to be an IP?
     matrix_synapse_db_name: psycopg2