diff --git a/requirements_old2.txt b/requirements_old2.txt
index 40ed458..a8405c0 100644
--- a/requirements_old2.txt
+++ b/requirements_old2.txt
@@ -42,7 +42,7 @@ mistune==0.8.4
 nbconvert==5.4.1
 nbformat==4.4.0
 nbsphinx==0.4.2
-numpy==1.16.2
+numpy==1.22.0
 packaging==19.0
 pandas==0.24.1
 pandocfilters==1.4.2