diff --git a/python/custom_transformer/requirements.txt b/python/custom_transformer/requirements.txt
index 542c92500cd..6a4ca84f316 100644
--- a/python/custom_transformer/requirements.txt
+++ b/python/custom_transformer/requirements.txt
@@ -1,3 +1,3 @@
 kserve
 torchvision
-pillow==9.0.1
+pillow==9.3.0