diff --git a/Makefile b/Makefile
index 8546ec58d..29a0f5c91 100644
--- a/Makefile
+++ b/Makefile
@@ -29,7 +29,7 @@ PYTHON_FILES=.
 MYPY_CACHE=.mypy_cache
 lint format: PYTHON_FILES=.
 lint_diff format_diff: PYTHON_FILES=$(shell git diff --name-only --diff-filter=d master | grep -E '\.py$$|\.ipynb$$')
-lint_package: PYTHON_FILES=langchain_community
+lint_package: PYTHON_FILES=langgraph
 lint_tests: PYTHON_FILES=tests
 lint_tests: MYPY_CACHE=.mypy_cache_test
 
diff --git a/langgraph/prebuilt/chat_agent_executor.py b/langgraph/prebuilt/chat_agent_executor.py
index 253473416..cda768fe0 100644
--- a/langgraph/prebuilt/chat_agent_executor.py
+++ b/langgraph/prebuilt/chat_agent_executor.py
@@ -2,7 +2,7 @@ import json
 import operator
 from typing import Annotated, Sequence, TypedDict
 
-from langchain.tools.render import format_tool_to_openai_function
+from langchain_core.utils.function_calling import convert_to_openai_function
 from langchain_core.agents import AgentAction
 from langchain_core.messages import BaseMessage, FunctionMessage
 from langchain_core.runnables import RunnableLambda
@@ -18,8 +18,8 @@ def create_function_calling_executor(model, tools):
     else:
         tool_executor = ToolExecutor(tools)
         tool_classes = tools
-    model = model.bind_functions(
-        [format_tool_to_openai_function(t) for t in tool_classes]
+    model = model.bind(
+        functions=[convert_to_openai_function(t) for t in tool_classes]
     )
 
     # Define the function that determines whether to continue or not
diff --git a/poetry.lock b/poetry.lock
index 163943b30..d3d153410 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1559,19 +1559,19 @@ extended-testing = ["aiosqlite (>=0.19.0,<0.20.0)", "aleph-alpha-client (>=2.15.
 
 [[package]]
 name = "langchain-core"
-version = "0.1.8"
+version = "0.1.16"
 description = "Building applications with LLMs through composability"
 optional = false
 python-versions = ">=3.8.1,<4.0"
 files = [
-    {file = "langchain_core-0.1.8-py3-none-any.whl", hash = "sha256:f4d1837d6d814ed36528b642211933d1f0bd84e1eff361f4630a8c750acc27d0"},
-    {file = "langchain_core-0.1.8.tar.gz", hash = "sha256:93ab72f5ab202526310fad389a45626501fd76ecf56d451111c0d4abe8183407"},
+    {file = "langchain_core-0.1.16-py3-none-any.whl", hash = "sha256:c1b2e7363771d64a72cb45032ed5a46facf67de005017fb5e74595cbf433f834"},
+    {file = "langchain_core-0.1.16.tar.gz", hash = "sha256:8cb546eed318009ee1a8a381d108074eddf0395ae61eb243db00d76e1e265e89"},
 ]
 
 [package.dependencies]
 anyio = ">=3,<5"
 jsonpatch = ">=1.33,<2.0"
-langsmith = ">=0.0.63,<0.1.0"
+langsmith = ">=0.0.83,<0.1"
 packaging = ">=23.2,<24.0"
 pydantic = ">=1,<3"
 PyYAML = ">=5.3"
@@ -1615,13 +1615,13 @@ types-requests = ">=2.31.0.2,<3.0.0.0"
 
 [[package]]
 name = "langsmith"
-version = "0.0.77"
+version = "0.0.83"
 description = "Client library to connect to the LangSmith LLM Tracing and Evaluation Platform."
 optional = false
 python-versions = ">=3.8.1,<4.0"
 files = [
-    {file = "langsmith-0.0.77-py3-none-any.whl", hash = "sha256:750c0aa9177240c64e131d831e009ed08dd59038f7cabbd0bbcf62ccb7c8dcac"},
-    {file = "langsmith-0.0.77.tar.gz", hash = "sha256:c4c8d3a96ad8671a41064f3ccc673e2e22a4153e823b19f915c9c9b8a4f33a2c"},
+    {file = "langsmith-0.0.83-py3-none-any.whl", hash = "sha256:a5bb7ac58c19a415a9d5f51db56dd32ee2cd7343a00825bbc2018312eb3d122a"},
+    {file = "langsmith-0.0.83.tar.gz", hash = "sha256:94427846b334ad9bdbec3266fee12903fe9f5448f628667689d0412012aaf392"},
 ]
 
 [package.dependencies]
@@ -3751,4 +3751,4 @@ testing = ["big-O", "jaraco.functools", "jaraco.itertools", "more-itertools", "p
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.9.0,<4.0"
-content-hash = "3329b683659a6d0f15ce64a0e7135cfc26affe4c8d19c32dd481e1398cc41b3f"
+content-hash = "d3249f92a4868cf796f4e0a51f8c154ac36692560505ba58574edf080ceafc9b"
diff --git a/pyproject.toml b/pyproject.toml
index 27299d70f..e57b839c6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -9,7 +9,7 @@ repository = "https://www.github.com/langchain-ai/langgraph"
 
 [tool.poetry.dependencies]
 python = ">=3.9.0,<4.0"
-langchain-core = "^0.1.8"
+langchain-core = "^0.1.16"
 
 
 [tool.poetry.group.test.dependencies]