diff --git a/requirements.txt b/requirements.txt
index a68d312..efb376a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ Jinja2==2.10
 kiwisolver==1.0.1
 MarkupSafe==1.1.0
 matplotlib==3.0.0
-numpy==1.15.2
+numpy==1.22.0
 pandas==0.23.4
 pyparsing==2.2.2
 python-dateutil==2.7.3