diff --git a/backend/pipeline/requirements.txt b/backend/pipeline/requirements.txt
index 425764bc76..da8b934238 100644
--- a/backend/pipeline/requirements.txt
+++ b/backend/pipeline/requirements.txt
@@ -1,3 +1,3 @@
 langgraph==1.2.1
-langchain-core==1.4.0
+langchain-core==1.5.1
 pydantic==2.13.4