diff --git a/requirements.txt b/requirements.txt
index 0879864..157da3c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ imageio==2.8.0
 kiwisolver==1.2.0
 matplotlib==3.2.1
 networkx==2.4
-numpy==1.18.5
+numpy==1.22.0
 # Pillow==7.1.2
 Pillow>=8.2.0