diff --git a/static/openrpc.json b/static/openrpc.json
index c345fe6a..2716eb59 100644
--- a/static/openrpc.json
+++ b/static/openrpc.json
@@ -889,6 +889,11 @@
               "type": "string",
               "description": "(optional) If the transaction status is `ERROR`, this will be a base64 encoded string of the raw TransactionResult XDR struct containing details on why stellar-core rejected the transaction.",
               "contentEncoding": "base64"
+            },
+            "diagnosticEventsXdr": {
+              "type": "array",
+              "description": "(optional) If the transaction status is `ERROR`, this field may be present with an array of base64 encoded strings. Each string will decode to a raw DiagnosticEvent XDR struct containing details on why stellar-core rejected the transaction.",
+              "contentEncoding": "base64"
             }
           }
         }