diff --git a/poetry.lock b/poetry.lock
index 45b3df0..4527832 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1156,13 +1156,13 @@ referencing = ">=0.28.0"
 
 [[package]]
 name = "langchain"
-version = "0.0.325"
+version = "0.0.329"
 description = "Building applications with LLMs through composability"
 optional = false
 python-versions = ">=3.8.1,<4.0"
 files = [
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-    {file = "langchain-0.0.325.tar.gz", hash = "sha256:423bbbf6706486100e56b111206e5ba8d50b41b07e94ebf9946413d5fd038d9d"},
+    {file = "langchain-0.0.329-py3-none-any.whl", hash = "sha256:5f3e884991271e8b55eda4c63a11105dcd7da119682ce0e3d5d1385b3a4103d2"},
+    {file = "langchain-0.0.329.tar.gz", hash = "sha256:488f3cb68a587696f136d4f01f97df8d8270e295b3cc56158057dab0f61f4166"},
 ]
 
 [package.dependencies]
@@ -1179,14 +1179,14 @@ SQLAlchemy = ">=1.4,<3"
 tenacity = ">=8.1.0,<9.0.0"
 
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@@ -2853,4 +2871,4 @@ testing = ["big-O", "jaraco.functools", "jaraco.itertools", "more-itertools", "p
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.11,<4.0"
-content-hash = "3fb6f843b40e9f3d42d02652251c2bb28343a3bb5104b669edb2eede4b7441d6"
+content-hash = "ed0118d596508fcde082e0c285db088b73e53807d7e915f41fa69a043c8f7087"
diff --git a/pyproject.toml b/pyproject.toml
index eaeb580..da47382 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -44,7 +44,7 @@ flake8 = "6.0.0"
 
 [tool.poetry.group.dev.dependencies]
 nox = "^2023.4.22"
-langchain = "0.0.325"
+langchain = "0.0.329"
 
 [tool.pyright]
 typeCheckingMode = "basic"