diff --git a/requirements.txt b/requirements.txt
index af77bde..be15941 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,8 @@
-langchain
+deepagents
+langchain>=1.2.10
+langchain-openai>=0.3.0
+langgraph>=0.2.0
 langchain-chroma
-langchain-ollama
 chromadb
 httpx
 python-dotenv