diff --git a/flaskapp/requirements.txt b/flaskapp/requirements.txt
index 75b05f2..1ecd314 100644
--- a/flaskapp/requirements.txt
+++ b/flaskapp/requirements.txt
@@ -9,7 +9,7 @@ idna==2.7
 itsdangerous==0.24
 Jinja2==2.10
 MarkupSafe==1.0
-numpy==1.15.2
+numpy==1.22.0
 pandas==0.23.4
 python-dateutil==2.7.3
 pytz==2018.5