diff --git a/requirements_incl_notebooks.txt b/requirements_incl_notebooks.txt
index aded3f3..b663430 100644
--- a/requirements_incl_notebooks.txt
+++ b/requirements_incl_notebooks.txt
@@ -44,7 +44,7 @@ nbconvert==5.5.0
 nbformat==4.4.0
 networkx==2.4
 notebook==5.7.8
-numpy==1.16.4
+numpy==1.21.0
 oauthlib==2.0.2
 pandas
 pandocfilters==1.4.2