diff --git a/file/kong_json_schema.json b/file/kong_json_schema.json
index 1f1917522..6b201825f 100644
--- a/file/kong_json_schema.json
+++ b/file/kong_json_schema.json
@@ -584,6 +584,9 @@
           },
           "type": "array"
         },
+        "expression": {
+          "type": "string"
+        },
         "headers": {
           "patternProperties": {
             ".*": {
@@ -635,6 +638,9 @@
         "preserve_host": {
           "type": "boolean"
         },
+        "priority": {
+          "type": "integer"
+        },
         "protocols": {
           "items": {
             "type": "string"
@@ -1302,6 +1308,9 @@
           },
           "type": "array"
         },
+        "expression": {
+          "type": "string"
+        },
         "headers": {
           "patternProperties": {
             ".*": {
@@ -1346,6 +1355,9 @@
         "preserve_host": {
           "type": "boolean"
         },
+        "priority": {
+          "type": "integer"
+        },
         "protocols": {
           "items": {
             "type": "string"