diff --git a/requirements.txt b/requirements.txt
index ce1c9f7..ac7652a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-langchain>=1.2.10
+langchain-core
 langchain-openai>=0.3.0
-pydantic>=2.0
+pydantic
 python-dotenv