diff --git a/End_to_end_Solutions/AOAISearchDemo/notebooks/requirements.txt b/End_to_end_Solutions/AOAISearchDemo/notebooks/requirements.txt
index 8577f257..65005949 100644
--- a/End_to_end_Solutions/AOAISearchDemo/notebooks/requirements.txt
+++ b/End_to_end_Solutions/AOAISearchDemo/notebooks/requirements.txt
@@ -1,4 +1,4 @@
 azure-identity==1.12.0
-langchain==0.0.78
+langchain==0.0.236
 openai==0.26.4
 azure-search-documents==11.4.0b3