diff --git a/requirements_dev.txt b/requirements_dev.txt
index 2b5d8cb..3e8be46 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -44,7 +44,7 @@ matplotlib==3.1.1
 mccabe==0.6.1
 more-itertools==7.2.0
 networkx==2.4
-numpy==1.17.3
+numpy==1.22.0
 packaging==19.2
 parso==0.5.1
 pathtools==0.1.2