diff --git a/requirements.txt b/requirements.txt
index 621dee9..9221735 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ gunicorn==19.7.1
 itsdangerous==0.24
 Jinja2==2.9.6
 MarkupSafe==1.0
-numpy==1.13.1
+numpy==1.21.0
 olefile==0.44
 opencv-python==3.2.0.7
 Pillow==4.2.1