diff --git a/clusters/social-dark-patterns.json b/clusters/social-dark-patterns.json
index 997d589..4280391 100644
--- a/clusters/social-dark-patterns.json
+++ b/clusters/social-dark-patterns.json
@@ -5,6 +5,7 @@
   "category": "dark-patterns",
   "description": "Dark Patterns are user interface that tricks users into making decisions that benefit the interface's holder to the expense of the user.",
   "name": "Dark Patterns",
+  "source": "CIRCL",
   "type": "social-dark-patterns",
   "uuid": "61397bd8-0cc3-487e-b887-6212ca5b24d3",
   "values": [