diff --git a/requirements.txt b/requirements.txt
index 69a1392..d1da0a7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ numpy==1.17.2
 h5py==2.9.0
 matplotlib==3.1.1
 pandas==0.25.1
-Pillow==5.3.0
+Pillow==9.3.0
 scikit-learn==0.21.3
 torch==1.2.0
 tensorboard==2.0.0