diff --git a/packages/bigframes/testing/constraints-3.11.txt b/packages/bigframes/testing/constraints-3.11.txt
index 7bb201d16fcd..575e67f40e7f 100644
--- a/packages/bigframes/testing/constraints-3.11.txt
+++ b/packages/bigframes/testing/constraints-3.11.txt
@@ -34,7 +34,7 @@ backports.tarfile==1.2.0
 beautifulsoup4==4.13.4
 betterproto==2.0.0b6
 bigquery-magics==0.10.2
-bleach==6.2.0
+bleach==6.4.0
 blinker==1.9.0
 blis==1.3.0
 blobfile==3.0.0