diff --git a/eslint.config.test.js b/eslint.config.test.js
index 446d496..b1595ca 100644
--- a/eslint.config.test.js
+++ b/eslint.config.test.js
@@ -1,6 +1,7 @@
 // @ts-check
 
 import tseslint from "typescript-eslint";
+import { plugin as ex } from "./dist/index.mjs";
 import config from "./eslint.config.js";
 
 const ignores = [
@@ -12,4 +13,11 @@ const ignores = [
   "vitest.config.js",
 ];
 
-export default tseslint.config(...config.map((x) => ({ ...x, ignores })));
+export default tseslint.config(...config.map((x) => ({ ...x, ignores })), {
+  plugins: { ex },
+  rules: {
+    "ex/no-unhandled": "error",
+    "ex/might-throw": "warn",
+    "ex/use-error-cause": "warn",
+  },
+});