diff --git a/requirements.txt b/requirements.txt
index e555b30..846a566 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -29,7 +29,7 @@ nbconvert==5.3.1
 nbformat==4.4.0
 nose==1.3.7
 notebook==5.2.2
-numpy==1.13.3
+numpy==1.22.0
 pandas==0.21.1
 pandocfilters==1.4.2
 parso==0.1.1