diff --git a/requirements.txt b/requirements.txt
index 499e25a..4e020a8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -51,7 +51,7 @@ nbconvert==5.6.1
 nbformat==5.0.7
 netCDF4==1.5.3
 notebook==6.0.3
-numpy==1.19.0
+numpy==1.22.0
 packaging==20.4
 pandas==1.0.5
 pandocfilters==1.4.2