diff --git a/pyproject.toml b/pyproject.toml
index a764a73a..ca77427a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,7 +29,7 @@ google-search-results = "^2.4.1"
 google-api-python-client = "^2.79.0"
 typer = "^0.7.0"
 gunicorn = "^20.1.0"
-langchain = "~0.0.150"
+langchain = "~0.2.0"
 openai = "^0.27.2"
 types-pyyaml = "^6.0.12.8"
 dill = "^0.3.6"