diff --git a/funding.json b/funding.json
new file mode 100644
index 0000000000..ce5e3c5ff1
--- /dev/null
+++ b/funding.json
@@ -0,0 +1,5 @@
+{
+    "opRetro": {
+      "projectId": "0x0fad18f37ecec4f4f4ca18e60c353eb11462363e8aa14562b5d96af54108d106"
+    }
+  }
\ No newline at end of file