diff --git a/ndicom_server/requirements.txt b/ndicom_server/requirements.txt
index 96e24bc..12f8b0e 100644
--- a/ndicom_server/requirements.txt
+++ b/ndicom_server/requirements.txt
@@ -3,7 +3,7 @@ djangorestframework==3.8.2
 jsonfield==2.0.2
 numpy==1.14.3
 opencv-python==3.4.1.15
-Pillow==6.2.0
+Pillow==9.0.1
 psycopg2-binary==2.7.4
 pytz==2018.4
 scikit-learn==0.19.1