diff --git a/requirements.txt b/requirements.txt
index 3fbc540..4c5e689 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -33,7 +33,7 @@ nbformat==5.0.4
 netrd==0.2.1
 networkx==2.4
 notebook==6.0.3
-numpy==1.18.1
+numpy==1.22.0
 numpydoc==0.9.2
 packaging==20.1
 pandas==1.0.1