diff --git a/examples/multi_agent/multi-agent-collaboration.ipynb b/examples/multi_agent/multi-agent-collaboration.ipynb
index 7d787a95c..8afa66194 100644
--- a/examples/multi_agent/multi-agent-collaboration.ipynb
+++ b/examples/multi_agent/multi-agent-collaboration.ipynb
@@ -91,7 +91,8 @@
     "    FunctionMessage,\n",
     "    HumanMessage,\n",
     ")\n",
-    "\n",
+    "from langchain.tools.render import format_tool_to_openai_function\n",
+    "from langchain_core.prompts import ChatPromptTemplate, MessagesPlaceholder\n",
     "from langgraph.graph import END, StateGraph\n",
     "from langgraph.prebuilt.tool_executor import ToolExecutor, ToolInvocation\n",
     "\n",