diff --git a/libs/sdk-py/langgraph_sdk/client.py b/libs/sdk-py/langgraph_sdk/client.py
index bfdf9a28a..673b4a2bd 100644
--- a/libs/sdk-py/langgraph_sdk/client.py
+++ b/libs/sdk-py/langgraph_sdk/client.py
@@ -444,6 +444,7 @@ class RunsClient:
         interrupt_before: Optional[list[str]] = None,
         interrupt_after: Optional[list[str]] = None,
         feedback_keys: Optional[list[str]] = None,
+        webhook: Optional[str] = None,
         multitask_strategy: Optional[MultitaskStrategy] = None,
     ) -> AsyncIterator[StreamPart]:
         """Create a run and stream the results."""
@@ -456,6 +457,7 @@ class RunsClient:
             "interrupt_before": interrupt_before,
             "interrupt_after": interrupt_after,
             "feedback_keys": feedback_keys,
+            "webhook": webhook,
             "checkpoint_id": checkpoint_id,
             "multitask_strategy": multitask_strategy,
         }
@@ -573,6 +575,7 @@ class RunsClient:
         checkpoint_id: Optional[str] = None,
         interrupt_before: Optional[list[str]] = None,
         interrupt_after: Optional[list[str]] = None,
+        webhook: Optional[str] = None,
         multitask_strategy: Optional[MultitaskStrategy] = None,
     ) -> Union[list[dict], dict[str, Any]]:
         """Create a run, wait for and return the final state."""
@@ -583,6 +586,7 @@ class RunsClient:
             "assistant_id": assistant_id,
             "interrupt_before": interrupt_before,
             "interrupt_after": interrupt_after,
+            "webhook": webhook,
             "checkpoint_id": checkpoint_id,
             "multitask_strategy": multitask_strategy,
         }