diff --git a/funding.json b/funding.json
new file mode 100644
index 0000000..78f9543
--- /dev/null
+++ b/funding.json
@@ -0,0 +1,5 @@
+{
+  "opRetro": {
+    "projectId": "0x45064f78302aeee0d4ea3667a39d3cffa25157b131aba8b1c0d9cfb7c085f87d"
+  }
+}
\ No newline at end of file