diff --git a/requirements.txt b/requirements.txt
index 9c4aba2..484d8a7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -46,7 +46,7 @@ nbconvert==5.4.0
 nbformat==4.4.0
 nose==1.3.7
 notebook==5.7.4
-numpy==1.15.4
+numpy==1.22.0
 pandas==0.23.4
 pandoc==1.0.2
 pandocfilters==1.4.2