diff --git a/notebooks/requirements.txt b/notebooks/requirements.txt
index ca41eca..82a2995 100644
--- a/notebooks/requirements.txt
+++ b/notebooks/requirements.txt
@@ -48,7 +48,7 @@ nbconvert==5.3.1
 nbformat==4.4.0
 nbpresent==3.0.2
 notebook==5.6.0
-numpy==1.15.0
+numpy==1.22.0
 pandas==0.23.4
 pandocfilters==1.4.2
 pathlib2==2.3.2