diff --git a/requirements.txt b/requirements.txt
index 611fa57..d73636c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -27,7 +27,7 @@ mistune==0.8.3
 nbconvert==5.3.1
 nbformat==4.4.0
 notebook==5.6.0
-numpy==1.15.1
+numpy==1.22.0
 pandas==0.23.4
 pandocfilters==1.4.2
 parso==0.3.1