diff --git a/setup.py b/setup.py
index 1dcec747bfe..65f80061c6c 100644
--- a/setup.py
+++ b/setup.py
@@ -126,7 +126,7 @@ def package_files(directory):
         "jinja2",
         "lark",
         "matplotlib",
-        "numpy",
+        "numpy<2",
         "packaging",
         "pandas",
         "pluggy",