diff --git a/requirements.txt b/requirements.txt
index ecbd774..45462ed 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -52,7 +52,7 @@ nbformat==5.0.4
 nc-time-axis==1.2.0
 netCDF4==1.5.3
 notebook==6.0.3
-numpy==1.18.1
+numpy==1.22.0
 olefile==0.46
 OWSLib==0.19.1
 packaging==20.1