diff --git a/pyproject.toml b/pyproject.toml
index e7f4ced6f..6b81a6623 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,11 +1,10 @@
 [build-system]
 requires = [
-    "cmake>=3.20",
     "cython",
     "pybind11>=2.6",
     "setuptools>=42",
     "setuptools_scm[toml]>=3.4",
-    "scikit-build-core>=0.3"
+    "scikit-build-core>=0.5"
 ]
 build-backend = "scikit_build_core.build"
 
@@ -85,7 +84,6 @@ zip-safe = false
 "pyg4ometry.visualisation" = ["src/pyg4ometry/visualisation/*.ini"]
 
 [tool.scikit-build]
-build-dir = "build/{cache_tag}"
 cmake.minimum-version = "3.20"
 metadata.version.provider = "scikit_build_core.metadata.setuptools_scm"
 
@@ -154,5 +152,5 @@ manylinux-x86_64-image = "g4edge/manylinux2014_x86_64:latest"
 archs = ["auto"]
 
 [tool.cibuildwheel.macos]
-archs = ["x86_64"] #, "arm64"]
+archs = ["x86_64", "arm64"]
 before-all = ".github/bin/install-deps-macos.sh"