diff --git a/parachain/node_setup.star b/parachain/node_setup.star
index 06c952e..6b3b9fb 100644
--- a/parachain/node_setup.star
+++ b/parachain/node_setup.star
@@ -2,7 +2,7 @@ def run_testnet_node_with_entrypoint(plan, image, chain_name, execute_command):
     service_config = ServiceConfig(
         image = image,
         ports = {
-            "ws": PortSpec(9944, transport_protocol = "TCP"),
+            "ws": PortSpec(9947, transport_protocol = "TCP"),
             "metrics": PortSpec(9615, transport_protocol = "TCP", application_protocol = "http"),
             "lib": PortSpec(30333),
         },