diff --git a/requirements.txt b/requirements.txt
index d6dd56c..8f97519 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ nbconvert==5.6.1
 nbformat==5.0.6
 networkx==2.5
 notebook==6.4.1
-numpy==1.19.1
+numpy==1.22.0
 pandas==1.1.0
 pydot==1.4.1
 pygraphviz==1.6