diff --git a/wordcloud_demo/requirements.txt b/wordcloud_demo/requirements.txt
index 8bc10c9..5bc0de0 100644
--- a/wordcloud_demo/requirements.txt
+++ b/wordcloud_demo/requirements.txt
@@ -44,7 +44,7 @@ mysqlclient==1.3.10
 nbconvert==5.3.1
 nbformat==4.4.0
 networkx==2.0
-numpy==1.13.3
+numpy==1.22.0
 numpydoc==0.7.0
 olefile==0.44
 pandocfilters==1.4.2