diff --git a/pyproject.toml b/pyproject.toml
index b9d4194..be06eee 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,7 +12,7 @@ slack-sdk = "^3.26.1"
 gunicorn = "^23.0.0"
 flask = "^3.0.0"
 openai = "^1.4.0"
-langchain-openai = "^0.1.0"
+langchain-openai = "^0.2.0"
 langchain-google-genai = "^1.0.3"
 pillow = "^10.3.0"
 langchain = "^0.2.3"