diff --git a/libs/prebuilt/langgraph/prebuilt/__init__.py b/libs/prebuilt/langgraph/prebuilt/__init__.py
index 93ea08705..f36310053 100644
--- a/libs/prebuilt/langgraph/prebuilt/__init__.py
+++ b/libs/prebuilt/langgraph/prebuilt/__init__.py
@@ -15,7 +15,9 @@ __all__ = [
     "ToolNode",
     "tools_condition",
     "ValidationNode",
+    "InjectedRuntime",
     "InjectedState",
     "InjectedStore",
 ]
 
+