diff --git a/requirements.txt b/requirements.txt
index dcb020c..8cd7dca 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ Flask==1.1.1
 itsdangerous==1.1.0
 Jinja2==2.11.3
 MarkupSafe==1.1.1
-numpy==1.18.1
+numpy==1.21.0
 pandas==1.0.1
 python-dateutil==2.8.1
 pytz==2019.3