diff --git a/data-for-ai/vector-search/requirements.txt b/data-for-ai/vector-search/requirements.txt
index 510e2ca..721303b 100644
--- a/data-for-ai/vector-search/requirements.txt
+++ b/data-for-ai/vector-search/requirements.txt
@@ -66,7 +66,7 @@ jsonschema==4.25.1
 jsonschema-specifications==2025.9.1
 jupyter_client==8.6.3
 jupyter_core==5.8.1
-langchain-core==0.3.76
+langchain-core==0.3.80
 langchain-text-splitters==0.3.11
 langsmith==0.4.30
 latex2mathml==3.78.1