diff --git a/requirements.txt b/requirements.txt
index e755400..b0b483e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-langchain-core>=0.3.0
+langchain-core>>=1.0.0
 langchain-openai>=0.2.0
-pydantic>=2.0.0
-python-dotenv>=1.0.0
+pydantic>==2.0
+python-dotenv>=1.0.0
\ No newline at end of file