diff --git a/package-lock.json b/package-lock.json
index 074196b2..d3b75387 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -7,7 +7,7 @@
       "dependencies": {
         "@stylistic/eslint-plugin": "^4.0.1",
         "csso-cli": "^4.0.2",
-        "eslint": "^9.20.1",
+        "eslint": "^9.21.0",
         "html-minifier-terser": "^7.2.0",
         "stylelint": "^16.14.1",
         "stylelint-config-standard": "^37.0.0",
@@ -210,9 +210,9 @@
       }
     },
     "node_modules/@eslint/core": {
-      "version": "0.10.0",
-      "resolved": "https://registry.npmjs.org/@eslint/core/-/core-0.10.0.tgz",
-      "integrity": "sha512-gFHJ+xBOo4G3WRlR1e/3G8A6/KZAH6zcE/hkLRCZTi/B9avAG365QhFA8uOGzTMqgTghpn7/fSnscW++dpMSAw==",
+      "version": "0.12.0",
+      "resolved": "https://registry.npmjs.org/@eslint/core/-/core-0.12.0.tgz",
+      "integrity": "sha512-cmrR6pytBuSMTaBweKoGMwu3EiHiEC+DoyupPmlZ0HxBJBtIxwe+j/E4XPIKNx+Q74c8lXKPwYawBf5glsTkHg==",
       "license": "Apache-2.0",
       "dependencies": {
         "@types/json-schema": "^7.0.15"
@@ -222,9 +222,9 @@
       }
     },
     "node_modules/@eslint/eslintrc": {
-      "version": "3.2.0",
-      "resolved": "https://registry.npmjs.org/@eslint/eslintrc/-/eslintrc-3.2.0.tgz",
-      "integrity": "sha512-grOjVNN8P3hjJn/eIETF1wwd12DdnwFDoyceUJLYYdkpbwq3nLi+4fqrTAONx7XDALqlL220wC/RHSC/QTI/0w==",
+      "version": "3.3.0",
+      "resolved": "https://registry.npmjs.org/@eslint/eslintrc/-/eslintrc-3.3.0.tgz",
+      "integrity": "sha512-yaVPAiNAalnCZedKLdR21GOGILMLKPyqSLWaAjQFvYA2i/ciDi8ArYVr69Anohb6cH2Ukhqti4aFnYyPm8wdwQ==",
       "license": "MIT",
       "dependencies": {
         "ajv": "^6.12.4",
@@ -267,9 +267,9 @@
       }
     },
     "node_modules/@eslint/js": {
-      "version": "9.20.0",
-      "resolved": "https://registry.npmjs.org/@eslint/js/-/js-9.20.0.tgz",
-      "integrity": "sha512-iZA07H9io9Wn836aVTytRaNqh00Sad+EamwOVJT12GTLw1VGMFV/4JaME+JjLtr9fiGaoWgYnS54wrfWsSs4oQ==",
+      "version": "9.21.0",
+      "resolved": "https://registry.npmjs.org/@eslint/js/-/js-9.21.0.tgz",
+      "integrity": "sha512-BqStZ3HX8Yz6LvsF5ByXYrtigrV5AXADWLAGc7PH/1SxOb7/FIYYMszZZWiUou/GB9P2lXWk2SV4d+Z8h0nknw==",
       "license": "MIT",
       "engines": {
         "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
@@ -285,12 +285,12 @@
       }
     },
     "node_modules/@eslint/plugin-kit": {
-      "version": "0.2.5",
-      "resolved": "https://registry.npmjs.org/@eslint/plugin-kit/-/plugin-kit-0.2.5.tgz",
-      "integrity": "sha512-lB05FkqEdUg2AA0xEbUz0SnkXT1LcCTa438W4IWTUh4hdOnVbQyOJ81OrDXsJk/LSiJHubgGEFoR5EHq1NsH1A==",
+      "version": "0.2.7",
+      "resolved": "https://registry.npmjs.org/@eslint/plugin-kit/-/plugin-kit-0.2.7.tgz",
+      "integrity": "sha512-JubJ5B2pJ4k4yGxaNLdbjrnk9d/iDz6/q8wOilpIowd6PJPgaxCuHBnBszq7Ce2TyMrywm5r4PnKm6V3iiZF+g==",
       "license": "Apache-2.0",
       "dependencies": {
-        "@eslint/core": "^0.10.0",
+        "@eslint/core": "^0.12.0",
         "levn": "^0.4.1"
       },
       "engines": {
@@ -346,9 +346,9 @@
       }
     },
     "node_modules/@humanwhocodes/retry": {
-      "version": "0.4.1",
-      "resolved": "https://registry.npmjs.org/@humanwhocodes/retry/-/retry-0.4.1.tgz",
-      "integrity": "sha512-c7hNEllBlenFTHBky65mhq8WD2kbN9Q6gk0bTk8lSBvc554jpXSkST1iePudpt7+A/AQvuHs9EMqjHDXMY1lrA==",
+      "version": "0.4.2",
+      "resolved": "https://registry.npmjs.org/@humanwhocodes/retry/-/retry-0.4.2.tgz",
+      "integrity": "sha512-xeO57FpIu4p1Ri3Jq/EXq4ClRm86dVF2z/+kvFnyqVYRavTZmaFaUBbWCOuuTh0o/g7DSsk6kc2vrS4Vl5oPOQ==",
       "license": "Apache-2.0",
       "engines": {
         "node": ">=18.18"
@@ -1137,21 +1137,21 @@
       }
     },
     "node_modules/eslint": {
-      "version": "9.20.1",
-      "resolved": "https://registry.npmjs.org/eslint/-/eslint-9.20.1.tgz",
-      "integrity": "sha512-m1mM33o6dBUjxl2qb6wv6nGNwCAsns1eKtaQ4l/NPHeTvhiUPbtdfMyktxN4B3fgHIgsYh1VT3V9txblpQHq+g==",
+      "version": "9.21.0",
+      "resolved": "https://registry.npmjs.org/eslint/-/eslint-9.21.0.tgz",
+      "integrity": "sha512-KjeihdFqTPhOMXTt7StsDxriV4n66ueuF/jfPNC3j/lduHwr/ijDwJMsF+wyMJethgiKi5wniIE243vi07d3pg==",
       "license": "MIT",
       "dependencies": {
         "@eslint-community/eslint-utils": "^4.2.0",
         "@eslint-community/regexpp": "^4.12.1",
-        "@eslint/config-array": "^0.19.0",
-        "@eslint/core": "^0.11.0",
-        "@eslint/eslintrc": "^3.2.0",
-        "@eslint/js": "9.20.0",
-        "@eslint/plugin-kit": "^0.2.5",
+        "@eslint/config-array": "^0.19.2",
+        "@eslint/core": "^0.12.0",
+        "@eslint/eslintrc": "^3.3.0",
+        "@eslint/js": "9.21.0",
+        "@eslint/plugin-kit": "^0.2.7",
         "@humanfs/node": "^0.16.6",
         "@humanwhocodes/module-importer": "^1.0.1",
-        "@humanwhocodes/retry": "^0.4.1",
+        "@humanwhocodes/retry": "^0.4.2",
         "@types/estree": "^1.0.6",
         "@types/json-schema": "^7.0.15",
         "ajv": "^6.12.4",
@@ -1223,18 +1223,6 @@
         "url": "https://opencollective.com/eslint"
       }
     },
-    "node_modules/eslint/node_modules/@eslint/core": {
-      "version": "0.11.0",
-      "resolved": "https://registry.npmjs.org/@eslint/core/-/core-0.11.0.tgz",
-      "integrity": "sha512-DWUB2pksgNEb6Bz2fggIy1wh6fGgZP4Xyy/Mt0QZPiloKKXerbqq9D3SBQTlCRYOrcRPu4vuz+CGjwdfqxnoWA==",
-      "license": "Apache-2.0",
-      "dependencies": {
-        "@types/json-schema": "^7.0.15"
-      },
-      "engines": {
-        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
-      }
-    },
     "node_modules/eslint/node_modules/brace-expansion": {
       "version": "1.1.11",
       "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
diff --git a/package.json b/package.json
index a3a4c512..4986fe27 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "dependencies": {
     "@stylistic/eslint-plugin": "^4.0.1",
     "csso-cli": "^4.0.2",
-    "eslint": "^9.20.1",
+    "eslint": "^9.21.0",
     "html-minifier-terser": "^7.2.0",
     "stylelint": "^16.14.1",
     "stylelint-config-standard": "^37.0.0",