diff --git a/.github/plugin/marketplace.json b/.github/plugin/marketplace.json
index c37ed74..4fc7f24 100644
--- a/.github/plugin/marketplace.json
+++ b/.github/plugin/marketplace.json
@@ -13,7 +13,7 @@
       "name": "threat-model",
       "description": "Performs threat modeling using Mermaid diagrams to validate flowcharts / sequence diagrams for security review",
       "version": "1.0.0",
-      "source": "copilot-security-instructions"
+      "source": "threat-model"
     }
   ]
 }
\ No newline at end of file