diff --git a/requirements.txt b/requirements.txt
index 7b7b5c2c..8de46aa4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 beautifulsoup4
 matplotlib
 metpy
-numpy
+numpy<2
 netcdf4
 pandas<2
 psutil