diff --git a/requirements.txt b/requirements.txt
index 9c4a484..d23cd72 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,6 +2,6 @@ fastapi==0.103.1
 pytest==7.1.3
 pytest-asyncio==0.20.3
 uvicorn==0.20.0
-pydantic~=2.2.0
+pydantic~=2.6.1
 line-bot-sdk==1.8.0
 openai==0.27.0