diff --git a/package.json b/package.json
index 9286e4d..0944ae3 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     "@typescript-eslint/parser": "^7.0.0",
     "@vitest/coverage-v8": "^1.0.0",
     "dotenv-cli": "^7.2.1",
-    "eslint": "^8.36.0",
+    "eslint": "^9.0.0",
     "eslint-config-prettier": "^9.0.0",
     "express": "^4.19.2",
     "npm-run-all2": "^6.0.0",