diff --git a/pyproject.toml b/pyproject.toml
index 130892db..c79bc29a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -34,7 +34,7 @@ dependencies = [
     "ipython",
     "jupyter_dash",
     "matplotlib",
-    "numpy<=1.23.4",
+    "numpy<=2.1.1",
     "pandas",
     "Pillow",
     "pooch",