diff --git a/requirements.txt b/requirements.txt
index bd5a942..596f674 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -38,7 +38,7 @@ mistune==0.8.4
 nbconvert==5.6.0
 nbformat==4.4.0
 notebook==6.0.1
-numpy==1.15.4
+numpy==1.22.0
 pandas==0.23.4
 pandocfilters==1.4.2
 parso==0.5.1