diff --git a/tsconfig.json b/tsconfig.json
index 356d121a..3e3ff6f4 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -3,6 +3,7 @@
   "include": ["remix.env.d.ts", "**/*.ts", "**/*.tsx"],
   "compilerOptions": {
     "lib": ["DOM", "DOM.Iterable", "ES2019"],
+    "types": ["vitest/globals"],
     "isolatedModules": true,
     "esModuleInterop": true,
     "jsx": "react-jsx",