diff --git a/requirements.txt b/requirements.txt
index be7b14e..7313269 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,7 @@
 ipywidgets~=7.0
 jupyter-server<2.0.0
 matplotlib>=3.3.4
+numpy<2.0.0
 pandas>=1.2.2
 qgrid>=1.3.1
 scipy