diff --git a/requirements.txt b/requirements.txt
index 10a90d7..ee07c44 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,7 +22,7 @@ mistune==0.8.3
 nbconvert==5.3.1
 nbformat==4.4.0
 notebook>=5.7.8
-numpy==1.14.4
+numpy==1.22.0
 pandocfilters==1.4.2
 parso==0.2.1
 pexpect==4.6.0