diff --git a/funding.json b/funding.json
new file mode 100644
index 000000000..839c1e385
--- /dev/null
+++ b/funding.json
@@ -0,0 +1,5 @@
+{
+  "opRetro": {
+    "projectId": "0x8431c44e2f0903879f34134e68fba4c05833b02451ccbf4cdb69620a6715bcdd"
+  }
+}
\ No newline at end of file