diff --git a/ndicom_server/requirements.txt b/ndicom_server/requirements.txt
index 96e24bc..fd28c99 100644
--- a/ndicom_server/requirements.txt
+++ b/ndicom_server/requirements.txt
@@ -2,7 +2,7 @@ Django==2.2.10
 djangorestframework==3.8.2
 jsonfield==2.0.2
 numpy==1.14.3
-opencv-python==3.4.1.15
+opencv-python==4.2.0.32
 Pillow==6.2.0
 psycopg2-binary==2.7.4
 pytz==2018.4