diff --git a/package-lock.json b/package-lock.json
index 1f725e636..c224f61dc 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -21,7 +21,7 @@
         "better-npm-audit": "3.7.3",
         "c8": "10.0.0",
         "dotenv": "16.3.1",
-        "eslint": "9.8.0",
+        "eslint": "9.9.0",
         "eslint-plugin-ava": "15.0.0",
         "eslint-plugin-jsdoc": "48.10.2",
         "eslint-plugin-jsonc": "2.15.1",
@@ -925,9 +925,9 @@
       }
     },
     "node_modules/@eslint/js": {
-      "version": "9.8.0",
-      "resolved": "https://registry.npmjs.org/@eslint/js/-/js-9.8.0.tgz",
-      "integrity": "sha512-MfluB7EUfxXtv3i/++oh89uzAr4PDI4nn201hsp+qaXqsjAWzinlZEHEfPgAX4doIlKvPG/i0A9dpKxOLII8yA==",
+      "version": "9.9.0",
+      "resolved": "https://registry.npmjs.org/@eslint/js/-/js-9.9.0.tgz",
+      "integrity": "sha512-hhetes6ZHP3BlXLxmd8K2SNgkhNSi+UcecbnwWKwpP7kyi/uC75DJ1lOOBO3xrC4jyojtGE3YxKZPHfk4yrgug==",
       "dev": true,
       "engines": {
         "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
@@ -4909,16 +4909,16 @@
       }
     },
     "node_modules/eslint": {
-      "version": "9.8.0",
-      "resolved": "https://registry.npmjs.org/eslint/-/eslint-9.8.0.tgz",
-      "integrity": "sha512-K8qnZ/QJzT2dLKdZJVX6W4XOwBzutMYmt0lqUS+JdXgd+HTYFlonFgkJ8s44d/zMPPCnOOk0kMWCApCPhiOy9A==",
+      "version": "9.9.0",
+      "resolved": "https://registry.npmjs.org/eslint/-/eslint-9.9.0.tgz",
+      "integrity": "sha512-JfiKJrbx0506OEerjK2Y1QlldtBxkAlLxT5OEcRF8uaQ86noDe2k31Vw9rnSWv+MXZHj7OOUV/dA0AhdLFcyvA==",
       "dev": true,
       "dependencies": {
         "@eslint-community/eslint-utils": "^4.2.0",
         "@eslint-community/regexpp": "^4.11.0",
         "@eslint/config-array": "^0.17.1",
         "@eslint/eslintrc": "^3.1.0",
-        "@eslint/js": "9.8.0",
+        "@eslint/js": "9.9.0",
         "@humanwhocodes/module-importer": "^1.0.1",
         "@humanwhocodes/retry": "^0.3.0",
         "@nodelib/fs.walk": "^1.2.8",
@@ -4957,6 +4957,14 @@
       },
       "funding": {
         "url": "https://eslint.org/donate"
+      },
+      "peerDependencies": {
+        "jiti": "*"
+      },
+      "peerDependenciesMeta": {
+        "jiti": {
+          "optional": true
+        }
       }
     },
     "node_modules/eslint-compat-utils": {
diff --git a/package.json b/package.json
index 725f78413..8aaeedb9c 100644
--- a/package.json
+++ b/package.json
@@ -71,7 +71,7 @@
     "better-npm-audit": "3.7.3",
     "c8": "10.0.0",
     "dotenv": "16.3.1",
-    "eslint": "9.8.0",
+    "eslint": "9.9.0",
     "eslint-plugin-ava": "15.0.0",
     "eslint-plugin-jsdoc": "48.10.2",
     "eslint-plugin-jsonc": "2.15.1",