diff --git a/scripts/rule_schema.jsonc b/scripts/rule_schema.jsonc
index b3f2b88c1..7cdefb614 100644
--- a/scripts/rule_schema.jsonc
+++ b/scripts/rule_schema.jsonc
@@ -130,6 +130,8 @@
         },
         "cwe_id": {
           "type": "array",
+          "minItems": 1,
+          "maxItems": 1,
           "items": {
             "type": "integer"
           }