diff --git a/requirements.txt b/requirements.txt
index a6e7271..b711721 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,7 +26,7 @@ more-itertools==7.2.0
 nbconvert==5.6.1
 nbformat==4.4.0
 notebook==6.0.2
-numpy==1.15.1
+numpy==1.22.0
 pandas==0.25.3
 pandocfilters==1.4.2
 parso==0.5.1