diff --git a/requirements-min.txt b/requirements-min.txt
index a66b683e..9ca248df 100644
--- a/requirements-min.txt
+++ b/requirements-min.txt
@@ -1,6 +1,6 @@
 h5py==2.8.0
 matplotlib==3.0.0
-numpy==1.17.3
+numpy==1.21.6
 pandas==1.3
 pvlib==0.9.0
 scipy==1.11.4