diff --git a/poetry.lock b/poetry.lock
index d68757ff..db9e544a 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1809,21 +1809,22 @@ tiktoken = ">=0.7,<1"
 
 [[package]]
 name = "langgraph"
-version = "0.3.34"
+version = "0.4.1"
 description = "Building stateful, multi-actor applications with LLMs"
 optional = false
-python-versions = "<4.0,>=3.9.0"
+python-versions = ">=3.9"
 groups = ["dev"]
 files = [
-    {file = "langgraph-0.3.34-py3-none-any.whl", hash = "sha256:4bf8af313ce7686e8a7597ca5441341ec89f9a9fe73ba1b07c116755efa3117d"},
-    {file = "langgraph-0.3.34.tar.gz", hash = "sha256:d4107b2101ee4a6f93f33b0fac1064d46ac3491f783200affac29f229ab0b93c"},
+    {file = "langgraph-0.4.1-py3-none-any.whl", hash = "sha256:ad0a5fb4707ec46eb69a9905d629e3712ac14d58bd41fc63df18502dbb8e44b9"},
+    {file = "langgraph-0.4.1.tar.gz", hash = "sha256:c6de009e638c3128232e8defa6e9a3218c03bcc2348ec7f06fba23ffcef4b98d"},
 ]
 
 [package.dependencies]
-langchain-core = ">=0.1,<0.4"
+langchain-core = {version = ">=0.1", markers = "python_version < \"4.0\""}
 langgraph-checkpoint = ">=2.0.10,<3.0.0"
-langgraph-prebuilt = ">=0.1.8,<0.2"
-langgraph-sdk = ">=0.1.42,<0.2.0"
+langgraph-prebuilt = {version = ">=0.1.8", markers = "python_version < \"4.0\""}
+langgraph-sdk = {version = ">=0.1.42", markers = "python_version < \"4.0\""}
+pydantic = ">=2.7.4"
 xxhash = ">=3.5.0,<4.0.0"
 
 [[package]]
@@ -2667,6 +2668,7 @@ description = "Fast, correct Python JSON library supporting dataclasses, datetim
 optional = false
 python-versions = ">=3.9"
 groups = ["dev"]
+markers = "platform_python_implementation != \"PyPy\""
 files = [
     {file = "orjson-3.10.16-cp310-cp310-macosx_10_15_x86_64.macosx_11_0_arm64.macosx_10_15_universal2.whl", hash = "sha256:4cb473b8e79154fa778fb56d2d73763d977be3dcc140587e07dbc545bbfc38f8"},
     {file = "orjson-3.10.16-cp310-cp310-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:622a8e85eeec1948690409a19ca1c7d9fd8ff116f4861d261e6ae2094fe59a00"},