diff --git a/tests/cypress/integration/core/capitalize.spec.ts b/tests/cypress/integration/core/capitalize.spec.ts
index 9523d0f0..2693a958 100644
--- a/tests/cypress/integration/core/capitalize.spec.ts
+++ b/tests/cypress/integration/core/capitalize.spec.ts
@@ -1,3 +1,5 @@
+/// <reference types="cypress" />
+
 import { capitalize } from '@tiptap/core'
 
 describe('capitalize test', () => {