diff --git a/libs/prebuilt/langgraph/prebuilt/__init__.py b/libs/prebuilt/langgraph/prebuilt/__init__.py
index 0b9581053..93ea08705 100644
--- a/libs/prebuilt/langgraph/prebuilt/__init__.py
+++ b/libs/prebuilt/langgraph/prebuilt/__init__.py
@@ -2,6 +2,7 @@
 
 from langgraph.prebuilt.chat_agent_executor import create_react_agent
 from langgraph.prebuilt.tool_node import (
+    InjectedRuntime,
     InjectedState,
     InjectedStore,
     ToolNode,
@@ -17,3 +18,4 @@ __all__ = [
     "InjectedState",
     "InjectedStore",
 ]
+