diff --git a/packages/bigframes/testing/constraints-3.11.txt b/packages/bigframes/testing/constraints-3.11.txt
index 831d22b0ff7a..94d104e1f35d 100644
--- a/packages/bigframes/testing/constraints-3.11.txt
+++ b/packages/bigframes/testing/constraints-3.11.txt
@@ -266,7 +266,7 @@ keyring==25.6.0
 keyrings.google-artifactregistry-auth==1.1.2
 kiwisolver==1.4.8
 langchain==0.3.27
-langchain-core==0.3.72
+langchain-core==1.3.3
 langchain-text-splitters==0.3.9
 langcodes==3.5.0
 langsmith==0.4.10