diff --git a/requirements.txt b/requirements.txt
index 8cae921..0edfce1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -29,7 +29,7 @@ mistune==0.8.4
 nbconvert==5.6.1
 nbformat==4.4.0
 notebook==5.7.9
-numpy==1.16.6
+numpy==1.22.0
 packaging==20.4
 pandocfilters==1.4.2
 pathlib2==2.3.5