diff --git a/requirements.txt b/requirements.txt
index 7f228bc..111afda 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ imageio==2.6.1
 kiwisolver==1.1.0
 matplotlib==3.1.1
 networkx==2.4
-numpy==1.17.3
+numpy==1.22.0
 Pillow==6.2.1
 pyparsing==2.4.2
 python-dateutil==2.8.0