diff --git a/libs/sdk-py/langgraph_sdk/schema.py b/libs/sdk-py/langgraph_sdk/schema.py
index 13b525bca..d68bf6439 100644
--- a/libs/sdk-py/langgraph_sdk/schema.py
+++ b/libs/sdk-py/langgraph_sdk/schema.py
@@ -280,6 +280,8 @@ class ThreadState(TypedDict):
     """The ID of the parent checkpoint. If missing, this is the root checkpoint."""
     tasks: Sequence[ThreadTask]
     """Tasks to execute in this step. If already attempted, may contain an error."""
+    interrupts: list[Interrupt]
+    """Interrupts which were thrown in this thread."""
 
 
 class ThreadUpdateStateResponse(TypedDict):