diff --git a/MODEL_REGISTRY.md b/MODEL_REGISTRY.md
index bb4e505..3ccd8eb 100644
--- a/MODEL_REGISTRY.md
+++ b/MODEL_REGISTRY.md
@@ -42,7 +42,7 @@
     "heating": {
         "version": "v1.0.0",
         "stage": {
-            "dev": null
+            "dev": "v1.0.0"
         },
         "registered": true,
         "active": true