diff --git a/vss-extension.json b/vss-extension.json
index 08ebb85..4debe6c 100644
--- a/vss-extension.json
+++ b/vss-extension.json
@@ -1,4 +1,5 @@
 {
+  "$schema": "http://json.schemastore.org/vss-extension.json",
   "manifestVersion": 1,
   "publisher": "rhyskoedijk",
   "id": "sbom-tool-local",