diff --git a/remix-tests/tsconfig.json b/remix-tests/tsconfig.json
index 2055df065d..2b116c7eee 100644
--- a/remix-tests/tsconfig.json
+++ b/remix-tests/tsconfig.json
@@ -1,4 +1,5 @@
 {
+  "include": ["src"],
   "compilerOptions": {
     /* Basic Options */
     "target": "es5",                          /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017','ES2018' or 'ESNEXT'. */