diff --git a/ppml/tdx/docker/trusted-bigdl-llm/inference/requirements.txt b/ppml/tdx/docker/trusted-bigdl-llm/inference/requirements.txt
index 368f52f84c7..c5b0249c583 100644
--- a/ppml/tdx/docker/trusted-bigdl-llm/inference/requirements.txt
+++ b/ppml/tdx/docker/trusted-bigdl-llm/inference/requirements.txt
@@ -10,7 +10,7 @@ uvicorn
 sse-starlette
 openai
 fastapi==0.109.1
-pydantic==1.10.8
+pydantic
 
 ### document qa
 langchain