diff --git a/common/embeddings/milvus_embedding_store.py b/common/embeddings/milvus_embedding_store.py
index de7812fd..c60a8e2e 100644
--- a/common/embeddings/milvus_embedding_store.py
+++ b/common/embeddings/milvus_embedding_store.py
@@ -7,8 +7,8 @@
 from asyncer import asyncify
 from langchain_community.vectorstores import Milvus
 from langchain_core.documents.base import Document
-# from langchain_milvus.vectorstores import Milvus
-from langchain_community.vectorstores.milvus import Milvus
+from langchain_milvus.vectorstores import Milvus
+# from langchain_community.vectorstores.milvus import Milvus
 from pymilvus import MilvusException, connections, utility
 from pymilvus.exceptions import MilvusException
 
diff --git a/copilot/requirements.txt b/copilot/requirements.txt
index f737ed1f..98af8b4b 100644
--- a/copilot/requirements.txt
+++ b/copilot/requirements.txt
@@ -70,13 +70,13 @@ jsonpatch==1.33
 jsonpointer==2.4
 langchain==0.2.11
 langchain-community==0.2.10
-langchain-core==0.2.25
+# langchain-core==0.2.25
 langchain-experimental==0.0.63
 langchain-groq==0.1.8
 langchain-ibm==0.1.11
 langchain-text-splitters==0.2.2
 langchain_milvus==0.1.3
-langchain_openai==0.1.19
+langchain_openai==0.1.20
 langchainhub==0.1.20
 langdetect==1.0.9
 langgraph==0.1.16