diff --git a/package.json b/package.json
index 8d76547..7f88ae9 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
   "scripts": {
     "dev": "vite --config vite.config.js",
     "build": "vite build --config vite.config.js",
-    "test": "vitest --config vitest.config.js --run"
+    "test": "vitest --config vitest.config.mjs --run"
   },
   "engines": {
     "node": ">=20.19.0"
@@ -29,11 +29,8 @@
     "optipng-bin": "^9.0.0",
     "sass": "^1.99.0",
     "vinyl-fs": "^4.0.2",
-    "vite": "^8.1.4",
-    "vitest": "^2.0.0"
-  },
-  "optionalDependencies": {
-    "fsevents": "*"
+    "vite": "^8.2.2",
+    "vitest": "^5.0.0"
   },
   "dependencies": {
     "grunt-contrib-imagemin": "^4.0.0",
diff --git a/vitest.config.js b/vitest.config.mjs
similarity index 100%
rename from vitest.config.js
rename to vitest.config.mjs