diff --git a/requirements.txt b/requirements.txt
index 2cadd0e..7d07bfc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -40,7 +40,7 @@ mistune==0.7.4
 nbconvert==5.3.1
 nbformat==4.4.0
 notebook==5.2.0
-numpy==1.13.3
+numpy==1.22.0
 olefile==0.44
 pandas==0.20.3
 pandocfilters==1.4.2