diff --git a/requirements.txt b/requirements.txt
index ac37cc0..e5015d3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ Jinja2==2.11.2
 kiwisolver==1.1.0
 MarkupSafe==1.1.1
 matplotlib==3.1.3
-numpy==1.18.1
+numpy==1.22.0
 pyparsing==2.4.6
 python-dateutil==2.8.1
 scipy==1.4.1