diff --git a/content/notebooks/requirements.txt b/content/notebooks/requirements.txt
index 84327d2..3a42c8a 100644
--- a/content/notebooks/requirements.txt
+++ b/content/notebooks/requirements.txt
@@ -16,7 +16,7 @@ jdcal==1.0
 matplotlib==1.4.3
 mock==1.3.0
 nose==1.3.7
-numpy==1.10.1
+numpy==1.21.0
 openpyxl==1.8.6
 pandas==0.17.0
 pbr==1.5.0