diff --git a/requirements.txt b/requirements.txt
index 98f5eeb..4cec724 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 deepagents
-langchain>=1.2.10
-langchain-openai>=0.3.0
+langchain==1.2.10
+langchain-openai==1.1.9
 langgraph>=0.2.0
\ No newline at end of file