diff --git a/funding.json b/funding.json
new file mode 100644
index 0000000000..72a29e795f
--- /dev/null
+++ b/funding.json
@@ -0,0 +1,5 @@
+{
+  "opRetro": {
+    "projectId": "0x79c2ae8858a5a3bd7f2e0da9509d727833ffa01f358b5969355f38ff32b20122"
+  }
+}