diff --git a/requirements.txt b/requirements.txt
index dc92bcc..c39f85a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ Jinja2==2.10.1
 MarkupSafe==1.0
 matplotlib==2.1.1
 networkx==2.0
-numpy==1.13.3
+numpy==1.22.0
 pyparsing==2.2.0
 python-dateutil==2.6.1
 pytz==2017.3