diff --git a/funding.json b/funding.json
new file mode 100644
index 0000000000..a48080ccbb
--- /dev/null
+++ b/funding.json
@@ -0,0 +1,5 @@
+{
+  "opRetro": {
+    "projectId": "0xefaeef1446de875ab6e50d31c8dbe776f99d884cb8cb68d50b1384067e4aeb6b"
+  }
+}
\ No newline at end of file