diff --git a/sdk_container/src/third_party/portage-stable/eclass/distutils-r1.eclass b/sdk_container/src/third_party/portage-stable/eclass/distutils-r1.eclass
index 658d26f2a4..91de144e11 100644
--- a/sdk_container/src/third_party/portage-stable/eclass/distutils-r1.eclass
+++ b/sdk_container/src/third_party/portage-stable/eclass/distutils-r1.eclass
@@ -129,6 +129,8 @@ esac
 #
 # - poetry - poetry-core backend
 #
+# - scikit-build-core - scikit-build-core backend
+#
 # - setuptools - distutils or setuptools (incl. legacy mode)
 #
 # - sip - sipbuild backend