diff --git a/funding.json b/funding.json
new file mode 100644
index 000000000..cd9176255
--- /dev/null
+++ b/funding.json
@@ -0,0 +1,5 @@
+{
+  "opRetro": {
+    "projectId": "0x8c76c13d8d0e63a7de499d47b9da5a4495d1151c0b2003c92379f41f14e404c0"
+  }
+}