diff --git a/requirements.txt b/requirements.txt
index f0461b8..60cde15 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -32,6 +32,6 @@ joblib==1.3.2  # For saving and loading models
 
 # Additional advanced dependencies
 transformers==4.36.2  # For NLP models
-langchain==0.1.0  # For LLM applications
+langchain==0.2.5  # For LLM applications
 ray==2.8.1  # For distributed computing
 dask==2023.12.1  # For parallel computing