diff --git a/python/agent/startup-simulator-3000/requirements.txt b/python/agent/startup-simulator-3000/requirements.txt
index 5a7c2cbf..bdb91e4c 100644
--- a/python/agent/startup-simulator-3000/requirements.txt
+++ b/python/agent/startup-simulator-3000/requirements.txt
@@ -20,7 +20,7 @@ langchain-core==0.3.63
 langchain-openai==0.3.19
 langchain-text-splitters==0.3.8
 langgraph==0.4.8
-langgraph-checkpoint==2.0.26
+langgraph-checkpoint==3.0.0
 langgraph-prebuilt==0.2.2
 langgraph-sdk==0.1.70
 langsmith==0.3.44