diff --git a/requirements.txt b/requirements.txt
index 8d18acd..afac75f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ scikit-learn==0.20.3
 scikit-image==0.14.2
 imageio==2.5.0
 medpy==0.4.0
-Pillow==6.0.0
+Pillow==9.0.1
 scipy==1.2.1
 pandas==0.24.2
 tqdm==4.32.1
\ No newline at end of file