diff --git a/funding.json b/funding.json
new file mode 100644
index 0000000000..f9e7122dc7
--- /dev/null
+++ b/funding.json
@@ -0,0 +1,5 @@
+{
+    "opRetro": {
+      "projectId": "0xfad78fad680d407f81e7fd46632b4b4936676d1776a5cbf02694b94698495746"
+    }
+}
\ No newline at end of file