diff --git a/requirements.txt b/requirements.txt
index f26e105..7f589ce 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 matplotlib==3.0.2
-numpy==1.15.4
+numpy==1.22.0
 pandas==0.23.4
 networkx==2.3