diff --git a/packages/bigframes/testing/constraints-3.11.txt b/packages/bigframes/testing/constraints-3.11.txt
index 7bb201d16fcd..56456c226a69 100644
--- a/packages/bigframes/testing/constraints-3.11.txt
+++ b/packages/bigframes/testing/constraints-3.11.txt
@@ -311,7 +311,7 @@ mlxtend==0.23.4
 more-itertools==10.7.0
 moviepy==1.0.3
 mpmath==1.3.0
-msgpack==1.1.1
+msgpack==1.2.1
 multidict==6.6.3
 multipledispatch==1.0.0
 multiprocess==0.70.16