diff --git a/requirements.txt b/requirements.txt
index f35f1c3..6a11784 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -40,7 +40,7 @@ mistune==0.8.4
 nbconvert==5.6.1
 nbformat==5.0.6
 notebook==6.0.3
-numpy==1.18.1
+numpy==1.22.0
 opt-einsum==3.2.1
 packaging==20.3
 pandocfilters==1.4.2