diff --git a/scripts/bundle.js b/scripts/bundle.js
index 6c7881a3baf35986f430434983afd168ac02a130..30617da77a06e7af3a6d9bfbb79e27f80b5eeb68 100644
--- a/scripts/bundle.js
+++ b/scripts/bundle.js
@@ -22,6 +22,6 @@ if (args.length !== 2) {
   let parser = new $RefParser()
   let schema = await parser.bundle(args[0])
 
-  fs.writeFileSync(args[1], JSON.stringify(schema))
+  fs.writeFileSync(args[1], JSON.stringify(schema).replace("%24defs", "$defs"))
 })()
 
diff --git a/spec/set-payload.schema.json b/spec/set-payload.schema.json
index 3a8e2d8e3ebe5ebbb9eb3f131b02a5978f6f3b38..f25a66a9071b427820fd20eb1a8bdac7a08f5862 100644
--- a/spec/set-payload.schema.json
+++ b/spec/set-payload.schema.json
@@ -47,7 +47,7 @@
           "type": "object",
           "properties": {
             "authenticationTags": {
-              "$ref": "#/definitions/authenticationTags"
+              "$ref": "#/$defs/authenticationTags"
             }
           },
           "required": [
@@ -79,7 +79,7 @@
           "type": "object",
           "properties": {
             "problems": {
-              "$ref": "#/definitions/problems"
+              "$ref": "#/$defs/problems"
             }
           },
           "required": [
@@ -91,10 +91,10 @@
           "type": "object",
           "properties": {
             "problems": {
-              "$ref": "#/definitions/problems"
+              "$ref": "#/$defs/problems"
             },
             "authenticationTags": {
-              "$ref": "#/definitions/authenticationTags"
+              "$ref": "#/$defs/authenticationTags"
             }
           },
           "required": [
@@ -121,7 +121,7 @@
     "txn",
     "events"
   ],
-  "definitions": {
+  "$defs": {
     "authenticationTags": {
       "$ref": "./authentication-tags.schema.json"
     },