diff --git a/Pipfile b/Pipfile
index db8e939..0673f9a 100644
--- a/Pipfile
+++ b/Pipfile
@@ -7,7 +7,7 @@ name = "pypi"
 openai = "==0.27.2"
 chromadb = "==0.3.22"
 tiktoken = "==0.4.0"
-langchain = "==0.0.168"
+langchain = "==0.0.329"
 halo = "==0.0.31"
 
 [dev-packages]