diff --git a/clusters/ransomware.json b/clusters/ransomware.json
index 358003f..020502c 100644
--- a/clusters/ransomware.json
+++ b/clusters/ransomware.json
@@ -4,6 +4,7 @@
   "version": 1,
   "name": "Ransomware",
   "uuid": "10cf658b-5d32-4c4b-bb32-61760a640372",
+  "source": "Various",
   "values": [
     {
       "value": "Nhtnwcuf Ransomware (Fake)",