diff --git a/requirements.txt b/requirements.txt
index f2d3c30..d6c7a4b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -24,7 +24,7 @@ mistune==0.8.1
 nbconvert==5.3.1
 nbformat==4.4.0
 notebook==5.2.1
-numpy==1.13.3
+numpy==1.22.0
 pandas==0.21.0
 pandas-datareader==0.5.0
 pandocfilters==1.4.2