diff --git a/plotlib/requirements.txt b/plotlib/requirements.txt
index ef788ad..c63ecaa 100644
--- a/plotlib/requirements.txt
+++ b/plotlib/requirements.txt
@@ -1,5 +1,5 @@
 networkx==2.2
-numpy==1.16.2
+numpy==1.22.0
 pandas==0.24.2
 matplotlib==3.0.3
 scipy==1.2.1