diff --git a/requirements.txt b/requirements.txt
index 1143b07..9231c21 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 decorator==4.3.0
 networkx==2.1
-numpy==1.14.4
+numpy==1.22.0
 progressbar2==3.38.0
 pydot==1.2.4
 pygraphviz==1.3.1