diff --git a/requirements.txt b/requirements.txt
index 1d0800a..750493e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-numpy==1.18.1
+numpy==1.22.0
 matplotlib==3.3.1
 scipy==1.3.3
 python-igraph==0.8.2