diff --git a/requirements.txt b/requirements.txt
index 92ae748..dc00c6a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -25,7 +25,7 @@ mistune==0.8.4
 nbconvert==5.4.0
 nbformat==4.4.0
 notebook==5.7.8
-numpy==1.15.4
+numpy==1.22.0
 pandoc==1.0.2
 pandocfilters==1.4.2
 parso==0.3.1