diff --git a/requirements.txt b/requirements.txt
index 7d761ea..9d8466d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ imageio==2.3.0
 kiwisolver==1.0.1
 matplotlib==2.2.2
 networkx==2.1
-numpy==1.18.1
+numpy==1.22.0
 Pillow==7.1.0
 pyparsing==2.2.0
 python-dateutil==2.7.3