diff --git a/requirements.txt b/requirements.txt
index 5042596..01969aa 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 numpy==1.14.3
 scipy==1.0.1
 torchvision==0.2.0
-pillow==8.1.1
+pillow==9.3.0
 scikit-image==0.13.1
 openslide-python==1.1.0
 matplotlib==2.2.2