diff --git a/pyproject.toml b/pyproject.toml
index 5975586..1c57521 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,3 +1,7 @@
+[build-system]
+requires = ["setuptools>=61.2"]
+build-backend = "setuptools.build_meta"
+
 [project]
 name = "mritk"
 authors = [