diff --git a/package.json b/package.json
index beffe75..898d1e3 100644
--- a/package.json
+++ b/package.json
@@ -54,14 +54,14 @@
   },
   "devDependencies": {
     "@biomejs/biome": "^1.9.4",
-    "@vitest/coverage-v8": "^3.0.8",
+    "@vitest/coverage-v8": "^4.0.14",
     "auto-changelog": "^2.5.0",
     "del-cli": "^7.0.0",
     "precise": "^4.0.3",
     "rollup": "^4.35.0",
     "tsd": "^0.33.0",
     "typescript": "~5.9.2",
-    "vitest": "^3.0.8"
+    "vitest": "^4.0.14"
   },
   "keywords": [
     "LRU",