diff --git a/handler-ai/rocketnotes_handler/handler_vibe/requirements.lambda.txt b/handler-ai/rocketnotes_handler/handler_vibe/requirements.lambda.txt
index 5c9a9f2e..5e9948d8 100644
--- a/handler-ai/rocketnotes_handler/handler_vibe/requirements.lambda.txt
+++ b/handler-ai/rocketnotes_handler/handler_vibe/requirements.lambda.txt
@@ -3,7 +3,7 @@ langchain==0.3.26
 langchain-community==0.3.27
 langchain-aws==0.2.35
 langchain-openai==0.3.14
-langchain-core==0.3.81
+langchain-core==1.2.11
 langchain-anthropic==0.3.12
 langchain-together==0.3.0
 langgraph==0.4.8