diff --git a/requirements.txt b/requirements.txt
index 75098ec..ad68997 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -55,7 +55,7 @@ langchain==0.3.25
 langchain-community==0.3.25
 langchain-core==0.3.65
 langchain-text-splitters==0.3.8
-langsmith==0.3.45
+langsmith==0.4.10
 MarkupSafe==3.0.2
 marshmallow==3.26.1
 mcp==1.9.4