diff --git a/FUNDING.json b/funding.json
similarity index 50%
rename from FUNDING.json
rename to funding.json
index e954ade..df8667b 100644
--- a/FUNDING.json
+++ b/funding.json
@@ -3,5 +3,8 @@
     "ethereum": {
       "ownedBy": "0xaA4c632684180bf781108c84E7a294B483D12053"
     }
+  },
+  "opRetro": {
+    "projectId": "0xc2d8139cd61ddc75689610ee0cca0fe37ba8bec3270beb6aac6eac91c6256f60"
   }
 }