diff --git a/etc/allowed-licenses.json b/etc/allowed-licenses.json
index 65aa236e..ff50a78f 100644
--- a/etc/allowed-licenses.json
+++ b/etc/allowed-licenses.json
@@ -43,6 +43,11 @@
 
         { "moduleLicense": "WTFPL" },
 
+        {
+            "moduleLicense": "Public Domain, per Creative Commons CC0",
+            "moduleVersion": "2.0.3"
+        },
+
         {
             "moduleLicense": null,
             "#moduleLicense": "Apache License 2.0, see https://github.com/springdoc/springdoc-openapi/blob/main/LICENSE",