diff --git a/pyproject.toml b/pyproject.toml
index 8663c6e..6626192 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,10 @@
 [build-system]
-requires = ["scikit-build-core>=0.9.0", "cython>=3.0.1"]
-build-backend = "scikit-build-core.build"
+requires = [
+  "scikit-build-core>=0.9.0",
+  "cython>=3.0.1",
+  "cython-cmake",
+]
+build-backend = "scikit_build_core.build"
 
 [project]
 name = "mddatasetbuilder"