diff --git a/requirements.txt b/requirements.txt
index 3b8841f..92c4b27 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ PyPDF2
 langchain_google_genai
 faiss-cpu
 pydantic==1.10.11
-langchain  # Replace with your working version
+langchain== 0.0.149 #Replace with your working version
 google-auth
 google-generativeai  # For Google Generative AI integration
 transformers  # If you plan to use Hugging Face models