diff --git a/requirements.txt b/requirements.txt
index e5683f0..13f99a2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,5 @@
-langchain>=1.2.10
+deepagents>=0.6.3
+langchain>=1.3.0
 langchain-openai>=0.3.0
-langgraph>=0.2.0
-duckduckgo-search
+duckduckgo-search>=3.0.0
+python-dotenv>=1.0.0