diff --git a/requirements.txt b/requirements.txt
index 58d418b..be1bdff 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,7 +16,7 @@ ibm-watson==7.0.1
 idna==3.4
 iniconfig==2.0.0
 langchain==0.0.306
-langsmith==0.0.40
+langsmith==0.0.42
 marshmallow==3.20.1
 multidict==6.0.4
 mypy-extensions==1.0.0