diff --git a/app.py b/app.py
index 65908f36b462e869128fbbc00f68e4aae7b02412..9434d91d9f67e58721d594b15f79bb1fb71fd955 100644
--- a/app.py
+++ b/app.py
@@ -102,7 +102,6 @@ embedding = OpenAIEmbeddings(
                 deployment="AdaEmbedding2",
                 model="text-embedding-ada-002",
                 openai_api_base="https://nlp-openai-svc.openai.azure.com",
-                openai_api_version="2023-03-15-preview",
                 openai_api_type="azure",
                 openai_api_key=OPENAI_API_KEY,
                 chunk_size=1