diff --git a/FUNDING.json b/FUNDING.json
new file mode 100644
index 0000000..8ba00aa
--- /dev/null
+++ b/FUNDING.json
@@ -0,0 +1,5 @@
+{
+  "opRetro": {
+    "projectId": "0x41b2ae8a2ead458ff7c85549a9a11380353e1ae4b234666312d495326636f77a"
+  }
+}
\ No newline at end of file