diff --git a/src/lib_python_interop/python_interop_plugins/bybit_execution_gateway.py b/src/lib_python_interop/python_interop_plugins/bybit_execution_gateway.py
index ae7c9b226..b4665b5fe 100644
--- a/src/lib_python_interop/python_interop_plugins/bybit_execution_gateway.py
+++ b/src/lib_python_interop/python_interop_plugins/bybit_execution_gateway.py
@@ -194,6 +194,7 @@ class BybitExecutionGateway(ExecutionGateway):
             "api_secret": self.secret_key,
             "testnet": self.use_testnet,
             "channel_type": "private",
+            "private_auth_expire": 5,
             "trace_logging": False,
         }
         self.logger.info("[bybit_gw_stream_sub.json]%s" % JsonElement(params))
@@ -205,6 +206,7 @@ class BybitExecutionGateway(ExecutionGateway):
             "api_key": self.api_key,
             "api_secret": self.secret_key,
             "testnet": self.use_testnet,
+            "private_auth_expire": 5,
         }
         self.logger.info("[bybit_gw_start_trd_cli.json]%s" % JsonElement(params))
         self.trade_cli = WebSocketTrading(**params)