diff --git a/pyproject.toml b/pyproject.toml
index 4f972b1a..1e518a5a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -63,6 +63,7 @@ lint = [
     "mypy==1.11.2",
     "reno>=3.4.0",
     "pylint==3.2.7",
+    "numpy<2.2",
 ]
 docs = [
     "Sphinx>=3.0.0",