diff --git a/tests/conftest.py b/tests/conftest.py
index 69ca2157d..c54448da1 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -84,7 +84,14 @@ async def env(env_type: str) -> AsyncGenerator[WorkflowEnvironment, None]:
             ]
         )
     elif env_type == "time-skipping":
-        env = await WorkflowEnvironment.start_time_skipping()
+        env = await WorkflowEnvironment.start_time_skipping(
+            test_server_extra_args=[
+                "--dynamic-config-value",
+                "frontend.enableUpdateWorkflowExecution=true",
+                "--dynamic-config-value",
+                "frontend.enableUpdateWorkflowExecutionAsyncAccepted=true",
+            ]
+        )
     else:
         env = WorkflowEnvironment.from_client(await Client.connect(env_type))
     yield env