diff --git a/pyproject.toml b/pyproject.toml
index 6fba3216cc1bbfe82d117b399a0a58ae10eb0640..ccf43fe6a27ece1144830e504fdd30e71350d5c6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -39,7 +39,7 @@ zip-safe = false
 include = ["b_asic*"]
 
 [build-system]
-requires = ["setuptools>=45", "setuptools_scm[toml]>=6.2", "wheel"]
+requires = ["setuptools>=45", "setuptools_scm[toml]>=6.2", "wheel", "oldest-supported-numpy"]
 build-backend = "setuptools.build_meta"
 
 [tool.setuptools_scm]