diff --git a/requirements.txt b/requirements.txt
index 51483c0..d4f919c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -52,7 +52,7 @@ langchain-text-splitters==1.1.0
 langgraph==1.0.5
 langgraph-checkpoint==3.0.1
 langgraph-prebuilt==1.0.5
-langgraph-sdk==0.3.2
+langgraph-sdk==0.3.15
 langsmith==0.6.2
 loguru==0.7.3
 markdown-it-py==4.0.0