diff --git a/demo/blueprint_parser_creator/requirements.txt b/demo/blueprint_parser_creator/requirements.txt
index b96e61ad..034e0f73 100644
--- a/demo/blueprint_parser_creator/requirements.txt
+++ b/demo/blueprint_parser_creator/requirements.txt
@@ -4,7 +4,7 @@
 sherpa-ai>=0.1.0
 streamlit>=1.28.0
 langchain-community>=0.4.2
-langchain-core>=0.1.0
+langchain-core>=1.5.3
 langchain-openai>=1.0.0
 openai>=1.0.0
 ezdxf>=1.1.0