diff --git a/funding.json b/funding.json
new file mode 100644
index 0000000..6e56b5a
--- /dev/null
+++ b/funding.json
@@ -0,0 +1,5 @@
+{
+  "opRetro": {
+    "projectId": "0x1e08897960cdb18df87f253f4e0f047b2edba189ea7403e5448ed2ba443f0013"
+  }
+}
\ No newline at end of file