diff --git a/packages/toolbox-langchain/requirements.txt b/packages/toolbox-langchain/requirements.txt
index 801d8747..c9adaf55 100644
--- a/packages/toolbox-langchain/requirements.txt
+++ b/packages/toolbox-langchain/requirements.txt
@@ -1,5 +1,5 @@
 -e ../toolbox-core
-langchain-core==0.3.64
+langchain-core==0.3.65
 PyYAML==6.0.2
 pydantic==2.11.5
 aiohttp==3.12.12