diff --git a/mask_generation/requirements.txt b/mask_generation/requirements.txt
index 17e674a..552e0fb 100644
--- a/mask_generation/requirements.txt
+++ b/mask_generation/requirements.txt
@@ -10,7 +10,7 @@ networkx==2.4
 numpy==1.18.4
 opencv-python==4.2.0.34
 pfm==0.6.0
-Pillow==7.1.2
+Pillow==9.0.1
 pkg-resources==0.0.0
 -e git+https://github.com/waspinator/pycococreator.git@d29534e36aad6c30d7e4dadd9f4f7b0e344a774c#egg=pycococreatortools
 pycocotools==2.0