diff --git a/roles/matrix-synapse/templates/synapse/worker.yaml.j2 b/roles/matrix-synapse/templates/synapse/worker.yaml.j2
index 7bfc94cb..1acc4df2 100644
--- a/roles/matrix-synapse/templates/synapse/worker.yaml.j2
+++ b/roles/matrix-synapse/templates/synapse/worker.yaml.j2
@@ -8,6 +8,7 @@ worker_replication_http_port: {{ matrix_synapse_replication_http_port }}
 worker_listeners:
 {% if matrix_synapse_worker_details.type not in [ 'appservice', 'federation_sender', 'pusher' ] %}
   - type: http
+    bind_addresses: ['::']
     port: {{ matrix_synapse_worker_details.port }}
     resources:
       - names:
@@ -22,7 +23,7 @@ worker_listeners:
 {% endif %}
 {% if matrix_synapse_metrics_enabled %}
   - type: metrics
-    bind_address: ['127.0.0.1']
+    bind_addresses: ['::']
     port: {{ matrix_synapse_worker_details.metrics_port }}
 {% endif %}