diff --git a/requirements.txt b/requirements.txt
index 3a680da..bbaae19 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ cycler==0.10.0
 kiwisolver==1.2.0
 matplotlib==3.2.1
 netCDF4==1.5.3
-numpy==1.18.5
+numpy==1.22.0
 pyparsing==2.4.7
 python-dateutil==2.8.1
 scipy==1.4.1