diff --git a/packages/google-cloud-documentai-toolbox/testing/constraints-3.10.txt b/packages/google-cloud-documentai-toolbox/testing/constraints-3.10.txt
index 78ea9f1c3893..68557b35c522 100644
--- a/packages/google-cloud-documentai-toolbox/testing/constraints-3.10.txt
+++ b/packages/google-cloud-documentai-toolbox/testing/constraints-3.10.txt
@@ -18,5 +18,5 @@ numpy==1.23.5
 intervaltree==3.0.0
 pikepdf==8.0.0
 immutabledict==2.0.0
-Pillow==10.0.0
+Pillow==12.2.0
 Jinja2==3.1.6