diff --git a/requirements.txt b/requirements.txt
index a9b6a77f..7ba0b528 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-langchain==0.0.165
+langchain==0.0.166
 pygpt4all==1.1.0
 chromadb==0.3.22
 llama-cpp-python==0.1.48