diff --git a/requirements.txt b/requirements.txt
index f05fc2b..34ba83b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -79,7 +79,7 @@ nbconvert==5.3.1
 nbformat==4.4.0
 nbsphinx==0.4.2
 notebook==6.0.1
-numpy==1.15.1
+numpy==1.22.0
 numpydoc==0.8.0
 oauthlib==3.0.1
 packaging==17.1