diff --git a/requirements.txt b/requirements.txt
index a7de0c8..4e81bf8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ future==0.16.0
 matplotlib==2.1.2
 numpy==1.15.4
 opencv-python==4.2.0.32
-Pillow==8.3.2
+Pillow==9.3.0
 pychalk==2.0.0
 pydicom==1.0.2
 PyOpenGL==3.1.0