diff --git a/requirements.txt b/requirements.txt
index 0a79a43..a76c806 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,4 +4,4 @@ pandas==0.24.2
 matplotlib==2.0.2
 scikit-learn==0.20.1
 h5py==2.9.0
-pillow==3.4.2
+pillow==9.3.0