diff --git a/.changeset/twelve-gorillas-give.md b/.changeset/twelve-gorillas-give.md
new file mode 100644
index 0000000000..ed13fc773c
--- /dev/null
+++ b/.changeset/twelve-gorillas-give.md
@@ -0,0 +1,6 @@
+---
+'@backstage/catalog-model': patch
+'@backstage/plugin-catalog-backend': patch
+---
+
+Add subcomponentOf to Component kind to represent subsystems of larger components.