diff --git a/backend/requirements/default.txt b/backend/requirements/default.txt
index 2d8745f3349..df68e3d289c 100644
--- a/backend/requirements/default.txt
+++ b/backend/requirements/default.txt
@@ -27,7 +27,7 @@ jira==3.5.1
 jsonref==1.1.0
 langchain==0.1.17
 langchain-community==0.0.36
-langchain-core==0.1.50
+langchain-core==0.3.81
 langchain-text-splitters==0.0.1
 litellm==1.37.7
 llama-index==0.9.45