diff --git a/packages/bigframes/testing/constraints-3.11.txt b/packages/bigframes/testing/constraints-3.11.txt
index 831d22b0ff7a..9f036b7ce649 100644
--- a/packages/bigframes/testing/constraints-3.11.txt
+++ b/packages/bigframes/testing/constraints-3.11.txt
@@ -269,7 +269,7 @@ langchain==0.3.27
 langchain-core==0.3.72
 langchain-text-splitters==0.3.9
 langcodes==3.5.0
-langsmith==0.4.10
+langsmith==0.8.0
 language_data==1.3.0
 launchpadlib==1.10.16
 lazr.restfulclient==0.14.4