diff --git a/requirements.txt b/requirements.txt
index dd0e4b5..aa9299d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ cycler==0.10.0
 decorator==4.4.0
 matplotlib==2.1.0
 networkx==2.4
-numpy==1.13.3
+numpy==1.22.0
 Pillow==6.2.1
 pyparsing==2.4.2
 python-dateutil==2.8.0