diff --git a/requirements.txt b/requirements.txt
index c35b442..5d3613a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-numpy==1.18.2
+numpy==1.22.0
 pandas==1.0.3
 pvlib==0.7.1
 pytz==2019.3