diff --git a/funding.json b/funding.json
new file mode 100644
index 00000000..0d08cbb6
--- /dev/null
+++ b/funding.json
@@ -0,0 +1,5 @@
+{
+  "opRetro": {
+    "projectId": "0x7747e26c3538f93bc67d9e13f343464996624e96fe549e3be484e848a1f61732"
+  }
+}
\ No newline at end of file