diff --git a/posthog/temporal/data_imports/external_data_job.py b/posthog/temporal/data_imports/external_data_job.py
index 4a76d5376fc52..52fdda61ab4de 100644
--- a/posthog/temporal/data_imports/external_data_job.py
+++ b/posthog/temporal/data_imports/external_data_job.py
@@ -304,7 +304,7 @@ async def run(self, inputs: ExternalDataWorkflowInputs):
             table_schemas = await workflow.execute_activity(
                 run_external_data_job,
                 job_inputs,
-                start_to_close_timeout=dt.timedelta(hours=4),
+                start_to_close_timeout=dt.timedelta(hours=30),
                 retry_policy=RetryPolicy(maximum_attempts=5),
                 heartbeat_timeout=dt.timedelta(minutes=1),
             )