diff --git a/requirements.txt b/requirements.txt
index a330778..5f8a6b4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ itsdangerous==0.24
 Jinja2==2.9.6
 MarkupSafe==1.0
 matplotlib==2.0.2
-numpy==1.13.1
+numpy==1.22.0
 pandas==0.20.3
 pyparsing==2.2.0
 python-dateutil==2.6.1