diff --git a/requirements.txt b/requirements.txt
index ba08c11..bcdf162 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -29,7 +29,7 @@ MarkupSafe==1.0
 matplotlib==2.0.2
 nbconvert==5.2.1
 nbformat==4.4.0
-numpy==1.13.1
+numpy==1.22.0
 pandas==0.20.3
 pandocfilters==1.4.2
 pathlib2==2.3.0