diff --git a/packages/eslint-plugin-solid/src/rules/jsx-no-duplicate-props.ts b/packages/eslint-plugin-solid/src/rules/jsx-no-duplicate-props.ts
index b401a6d..49171ef 100644
--- a/packages/eslint-plugin-solid/src/rules/jsx-no-duplicate-props.ts
+++ b/packages/eslint-plugin-solid/src/rules/jsx-no-duplicate-props.ts
@@ -36,6 +36,7 @@ export default createRule<Options, MessageIds>({
             default: false,
           },
         },
+        additionalProperties: false,
       },
     ],
     messages: {