diff --git a/FUNDING.json b/FUNDING.json
new file mode 100644
index 00000000..9085792a
--- /dev/null
+++ b/FUNDING.json
@@ -0,0 +1,5 @@
+{
+  "opRetro": {
+    "projectId": "0x7f330267969cf845a983a9d4e7b7dbcca5c700a5191269af377836d109e0bb69"
+  }
+}