diff --git a/mlos_core/setup.py b/mlos_core/setup.py
index 37fa465275..87df61cb50 100644
--- a/mlos_core/setup.py
+++ b/mlos_core/setup.py
@@ -88,7 +88,7 @@ def _get_long_desc_from_readme(base_url: str) -> dict:
         'scikit-learn>=1.2',
         'joblib>=1.1.1',        # CVE-2022-21797: scikit-learn dependency, addressed in 1.2.0dev0, which isn't currently released
         'scipy>=1.3.2',
-        'numpy>=1.24',
+        'numpy>=1.24', 'numpy<2.0.0',   # FIXME: https://github.com/numpy/numpy/issues/26710
         'pandas >= 2.2.0;python_version>="3.9"', 'Bottleneck > 1.3.5;python_version>="3.9"',
         'pandas >= 1.0.3;python_version<"3.9"',
         'ConfigSpace>=0.7.1',