diff --git a/package-lock.json b/package-lock.json
index 4f252d2..afc1254 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2647,26 +2647,6 @@
 				"node": "^12.0.0 || ^14.0.0 || >=16.0.0"
 			}
 		},
-		"node_modules/@eslint/compat": {
-			"version": "2.0.2",
-			"resolved": "https://registry.npmjs.org/@eslint/compat/-/compat-2.0.2.tgz",
-			"integrity": "sha512-pR1DoD0h3HfF675QZx0xsyrsU8q70Z/plx7880NOhS02NuWLgBCOMDL787nUeQ7EWLkxv3bPQJaarjcPQb2Dwg==",
-			"license": "Apache-2.0",
-			"dependencies": {
-				"@eslint/core": "^1.1.0"
-			},
-			"engines": {
-				"node": "^20.19.0 || ^22.13.0 || >=24"
-			},
-			"peerDependencies": {
-				"eslint": "^8.40 || 9 || 10"
-			},
-			"peerDependenciesMeta": {
-				"eslint": {
-					"optional": true
-				}
-			}
-		},
 		"node_modules/@eslint/config-array": {
 			"version": "0.21.1",
 			"resolved": "https://registry.npmjs.org/@eslint/config-array/-/config-array-0.21.1.tgz",
@@ -2705,7 +2685,7 @@
 				"node": "^18.18.0 || ^20.9.0 || >=21.1.0"
 			}
 		},
-		"node_modules/@eslint/config-helpers/node_modules/@eslint/core": {
+		"node_modules/@eslint/core": {
 			"version": "0.17.0",
 			"resolved": "https://registry.npmjs.org/@eslint/core/-/core-0.17.0.tgz",
 			"integrity": "sha512-yL/sLrpmtDaFEiUj1osRP4TI2MDz1AddJL+jZ7KSqvBuliN4xqYY54IfdN8qD8Toa6g1iloph1fxQNkjOxrrpQ==",
@@ -2717,18 +2697,6 @@
 				"node": "^18.18.0 || ^20.9.0 || >=21.1.0"
 			}
 		},
-		"node_modules/@eslint/core": {
-			"version": "1.1.0",
-			"resolved": "https://registry.npmjs.org/@eslint/core/-/core-1.1.0.tgz",
-			"integrity": "sha512-/nr9K9wkr3P1EzFTdFdMoLuo1PmIxjmwvPozwoSodjNBdefGujXQUF93u1DDZpEaTuDvMsIQddsd35BwtrW9Xw==",
-			"license": "Apache-2.0",
-			"dependencies": {
-				"@types/json-schema": "^7.0.15"
-			},
-			"engines": {
-				"node": "^20.19.0 || ^22.13.0 || >=24"
-			}
-		},
 		"node_modules/@eslint/eslintrc": {
 			"version": "3.3.3",
 			"resolved": "https://registry.npmjs.org/@eslint/eslintrc/-/eslintrc-3.3.3.tgz",
@@ -2810,18 +2778,6 @@
 				"node": "^18.18.0 || ^20.9.0 || >=21.1.0"
 			}
 		},
-		"node_modules/@eslint/plugin-kit/node_modules/@eslint/core": {
-			"version": "0.17.0",
-			"resolved": "https://registry.npmjs.org/@eslint/core/-/core-0.17.0.tgz",
-			"integrity": "sha512-yL/sLrpmtDaFEiUj1osRP4TI2MDz1AddJL+jZ7KSqvBuliN4xqYY54IfdN8qD8Toa6g1iloph1fxQNkjOxrrpQ==",
-			"license": "Apache-2.0",
-			"dependencies": {
-				"@types/json-schema": "^7.0.15"
-			},
-			"engines": {
-				"node": "^18.18.0 || ^20.9.0 || >=21.1.0"
-			}
-		},
 		"node_modules/@humanfs/core": {
 			"version": "0.19.1",
 			"resolved": "https://registry.npmjs.org/@humanfs/core/-/core-0.19.1.tgz",
@@ -10594,21 +10550,6 @@
 				"url": "https://opencollective.com/eslint"
 			}
 		},
-		"node_modules/eslint-config-prettier": {
-			"version": "10.1.8",
-			"resolved": "https://registry.npmjs.org/eslint-config-prettier/-/eslint-config-prettier-10.1.8.tgz",
-			"integrity": "sha512-82GZUjRS0p/jganf6q1rEO25VSoHH0hKPCTrgillPjdI/3bgBhAE1QzHrHTizjpRvy6pGAvKjDJtk2pF9NDq8w==",
-			"license": "MIT",
-			"bin": {
-				"eslint-config-prettier": "bin/cli.js"
-			},
-			"funding": {
-				"url": "https://opencollective.com/eslint-config-prettier"
-			},
-			"peerDependencies": {
-				"eslint": ">=7.0.0"
-			}
-		},
 		"node_modules/eslint-import-context": {
 			"version": "0.1.9",
 			"resolved": "https://registry.npmjs.org/eslint-import-context/-/eslint-import-context-0.1.9.tgz",
@@ -22416,18 +22357,140 @@
 			"license": "ISC",
 			"dependencies": {
 				"@babel/preset-react": "^7.28.5",
-				"@eslint/compat": "^2.0.2",
-				"@eslint/eslintrc": "^3.3.3",
-				"@eslint/js": "^9.39.1",
 				"@typescript-eslint/eslint-plugin": "^8.56.0",
 				"@wordpress/eslint-plugin": "^24.2.0",
-				"eslint-config-prettier": "^10.1.8",
+				"eslint": "^9.39.2",
 				"eslint-import-resolver-alias": "^1.1.2",
 				"eslint-plugin-import": "^2.32.0",
+				"eslint-plugin-prettier": "^5.5.5",
 				"eslint-plugin-react-hooks": "^7.0.1",
 				"globals": "^17.3.0"
 			}
 		},
+		"packages/eslint-config/node_modules/eslint": {
+			"version": "9.39.2",
+			"resolved": "https://registry.npmjs.org/eslint/-/eslint-9.39.2.tgz",
+			"integrity": "sha512-LEyamqS7W5HB3ujJyvi0HQK/dtVINZvd5mAAp9eT5S/ujByGjiZLCzPcHVzuXbpJDJF/cxwHlfceVUDZ2lnSTw==",
+			"license": "MIT",
+			"dependencies": {
+				"@eslint-community/eslint-utils": "^4.8.0",
+				"@eslint-community/regexpp": "^4.12.1",
+				"@eslint/config-array": "^0.21.1",
+				"@eslint/config-helpers": "^0.4.2",
+				"@eslint/core": "^0.17.0",
+				"@eslint/eslintrc": "^3.3.1",
+				"@eslint/js": "9.39.2",
+				"@eslint/plugin-kit": "^0.4.1",
+				"@humanfs/node": "^0.16.6",
+				"@humanwhocodes/module-importer": "^1.0.1",
+				"@humanwhocodes/retry": "^0.4.2",
+				"@types/estree": "^1.0.6",
+				"ajv": "^6.12.4",
+				"chalk": "^4.0.0",
+				"cross-spawn": "^7.0.6",
+				"debug": "^4.3.2",
+				"escape-string-regexp": "^4.0.0",
+				"eslint-scope": "^8.4.0",
+				"eslint-visitor-keys": "^4.2.1",
+				"espree": "^10.4.0",
+				"esquery": "^1.5.0",
+				"esutils": "^2.0.2",
+				"fast-deep-equal": "^3.1.3",
+				"file-entry-cache": "^8.0.0",
+				"find-up": "^5.0.0",
+				"glob-parent": "^6.0.2",
+				"ignore": "^5.2.0",
+				"imurmurhash": "^0.1.4",
+				"is-glob": "^4.0.0",
+				"json-stable-stringify-without-jsonify": "^1.0.1",
+				"lodash.merge": "^4.6.2",
+				"minimatch": "^3.1.2",
+				"natural-compare": "^1.4.0",
+				"optionator": "^0.9.3"
+			},
+			"bin": {
+				"eslint": "bin/eslint.js"
+			},
+			"engines": {
+				"node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+			},
+			"funding": {
+				"url": "https://eslint.org/donate"
+			},
+			"peerDependencies": {
+				"jiti": "*"
+			},
+			"peerDependenciesMeta": {
+				"jiti": {
+					"optional": true
+				}
+			}
+		},
+		"packages/eslint-config/node_modules/eslint-scope": {
+			"version": "8.4.0",
+			"resolved": "https://registry.npmjs.org/eslint-scope/-/eslint-scope-8.4.0.tgz",
+			"integrity": "sha512-sNXOfKCn74rt8RICKMvJS7XKV/Xk9kA7DyJr8mJik3S7Cwgy3qlkkmyS2uQB3jiJg6VNdZd/pDBJu0nvG2NlTg==",
+			"license": "BSD-2-Clause",
+			"dependencies": {
+				"esrecurse": "^4.3.0",
+				"estraverse": "^5.2.0"
+			},
+			"engines": {
+				"node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+			},
+			"funding": {
+				"url": "https://opencollective.com/eslint"
+			}
+		},
+		"packages/eslint-config/node_modules/eslint-visitor-keys": {
+			"version": "4.2.1",
+			"resolved": "https://registry.npmjs.org/eslint-visitor-keys/-/eslint-visitor-keys-4.2.1.tgz",
+			"integrity": "sha512-Uhdk5sfqcee/9H/rCOJikYz67o0a2Tw2hGRPOG2Y1R2dg7brRe1uG0yaNQDHu+TO/uQPF/5eCapvYSmHUjt7JQ==",
+			"license": "Apache-2.0",
+			"engines": {
+				"node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+			},
+			"funding": {
+				"url": "https://opencollective.com/eslint"
+			}
+		},
+		"packages/eslint-config/node_modules/file-entry-cache": {
+			"version": "8.0.0",
+			"resolved": "https://registry.npmjs.org/file-entry-cache/-/file-entry-cache-8.0.0.tgz",
+			"integrity": "sha512-XXTUwCvisa5oacNGRP9SfNtYBNAMi+RPwBFmblZEF7N7swHYQS6/Zfk7SRwx4D5j3CH211YNRco1DEMNVfZCnQ==",
+			"license": "MIT",
+			"dependencies": {
+				"flat-cache": "^4.0.0"
+			},
+			"engines": {
+				"node": ">=16.0.0"
+			}
+		},
+		"packages/eslint-config/node_modules/flat-cache": {
+			"version": "4.0.1",
+			"resolved": "https://registry.npmjs.org/flat-cache/-/flat-cache-4.0.1.tgz",
+			"integrity": "sha512-f7ccFPK3SXFHpx15UIGyRJ/FJQctuKZ0zVuN3frBo4HnK3cay9VEW0R6yPYFHC0AgqhukPzKjq22t5DmAyqGyw==",
+			"license": "MIT",
+			"dependencies": {
+				"flatted": "^3.2.9",
+				"keyv": "^4.5.4"
+			},
+			"engines": {
+				"node": ">=16"
+			}
+		},
+		"packages/eslint-config/node_modules/minimatch": {
+			"version": "3.1.2",
+			"resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.1.2.tgz",
+			"integrity": "sha512-J7p63hRiAjw1NDEww1W7i37+ByIrOWO5XQQAzZ3VOcL0PNybwpfmV/N05zFAzwQ9USyEcX6t3UO+K5aqBQOIHw==",
+			"license": "ISC",
+			"dependencies": {
+				"brace-expansion": "^1.1.7"
+			},
+			"engines": {
+				"node": "*"
+			}
+		},
 		"packages/postcss-config": {
 			"name": "@yardinternet/postcss-config",
 			"version": "2.1.2",
@@ -22860,9 +22923,6 @@
 			"license": "ISC",
 			"dependencies": {
 				"@babel/preset-react": "^7.28.5",
-				"@eslint/compat": "^2.0.2",
-				"@eslint/eslintrc": "^3.3.3",
-				"@eslint/js": "^9.39.1",
 				"@shufo/prettier-plugin-blade": "^1.16.1",
 				"@shufo/tailwindcss-class-sorter": "^3.0.1",
 				"@typescript-eslint/eslint-plugin": "^8.56.0",
@@ -22870,9 +22930,9 @@
 				"@wordpress/prettier-config": "^4.40.0",
 				"chalk": "^5.6.2",
 				"eslint": "^9.39.1",
-				"eslint-config-prettier": "^10.1.8",
 				"eslint-import-resolver-alias": "^1.1.2",
 				"eslint-plugin-import": "^2.32.0",
+				"eslint-plugin-prettier": "^5.5.5",
 				"eslint-plugin-react-hooks": "^7.0.1",
 				"globals": "^17.3.0",
 				"globby": "^16.1.1",
@@ -23002,18 +23062,6 @@
 				"postcss-selector-parser": "^7.1.1"
 			}
 		},
-		"packages/toolkit/node_modules/@eslint/core": {
-			"version": "0.17.0",
-			"resolved": "https://registry.npmjs.org/@eslint/core/-/core-0.17.0.tgz",
-			"integrity": "sha512-yL/sLrpmtDaFEiUj1osRP4TI2MDz1AddJL+jZ7KSqvBuliN4xqYY54IfdN8qD8Toa6g1iloph1fxQNkjOxrrpQ==",
-			"license": "Apache-2.0",
-			"dependencies": {
-				"@types/json-schema": "^7.0.15"
-			},
-			"engines": {
-				"node": "^18.18.0 || ^20.9.0 || >=21.1.0"
-			}
-		},
 		"packages/toolkit/node_modules/ansi-regex": {
 			"version": "6.2.2",
 			"resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-6.2.2.tgz",
diff --git a/package.json b/package.json
index 4daeb96..f5a8aa5 100644
--- a/package.json
+++ b/package.json
@@ -20,8 +20,8 @@
 	"scripts": {
 		"lint:js": "yard-toolkit lint js -m custom ./packages/**/src/**/*.js",
 		"format:js": "yard-toolkit format js -m custom ./packages/**/*.js",
-		"dep:check": "syncpack list-mismatches",
-		"dep:fix": "syncpack fix-mismatches",
+		"dep:check": "syncpack lint",
+		"dep:fix": "syncpack fix",
 		"dep:outdated": "npm outdated --workspaces",
 		"dep:update": "ncu --deep -u && npm install",
 		"prepare": "husky"
diff --git a/packages/eslint-config/README.md b/packages/eslint-config/README.md
index 313258c..8dc14d2 100644
--- a/packages/eslint-config/README.md
+++ b/packages/eslint-config/README.md
@@ -10,23 +10,21 @@ npm i @yardinternet/eslint-config
 
 ## Usage
 
-`@yardinternet/eslint-config` can be required in the `.eslint.config.js`
+`@yardinternet/eslint-config` can be required in the `.eslint.config.cjs`
 
 ```js
 module.exports = require('@yardinternet/eslint-config');
 ```
-
-If you want to add or override settings you can use tools like [deepmerge](https://www.npmjs.com/package/deepmerge).
+You can merge or override rules by spreading this config and adding your own objects:
 
 ```js
-const merge = require('deepmerge');
-const eslintSettings = merge(require('@yardinternet/eslint-config'), [
+module.exports = [
+    ...require('@yardinternet/eslint-config'),
     {
         rules: {
+            // Your overrides here
             "jsdoc/require-param": 0,
         },
     },
-])
-
-module.exports = eslintSettings;
+];
 ```
diff --git a/packages/eslint-config/package.json b/packages/eslint-config/package.json
index e6d2961..b0d8057 100644
--- a/packages/eslint-config/package.json
+++ b/packages/eslint-config/package.json
@@ -19,14 +19,12 @@
 	"license": "ISC",
 	"dependencies": {
 		"@babel/preset-react": "^7.28.5",
-		"@eslint/compat": "^2.0.2",
-		"@eslint/eslintrc": "^3.3.3",
-		"@eslint/js": "^9.39.1",
 		"@typescript-eslint/eslint-plugin": "^8.56.0",
 		"@wordpress/eslint-plugin": "^24.2.0",
-		"eslint-config-prettier": "^10.1.8",
+		"eslint": "^9.39.2",
 		"eslint-import-resolver-alias": "^1.1.2",
 		"eslint-plugin-import": "^2.32.0",
+		"eslint-plugin-prettier": "^5.5.5",
 		"eslint-plugin-react-hooks": "^7.0.1",
 		"globals": "^17.3.0"
 	}
diff --git a/packages/eslint-config/src/index.js b/packages/eslint-config/src/index.js
index 81bade1..444937b 100644
--- a/packages/eslint-config/src/index.js
+++ b/packages/eslint-config/src/index.js
@@ -1,73 +1,65 @@
-const globals = require( 'globals' );
-const babelParser = require( '@babel/eslint-parser' );
-const { fixupConfigRules } = require( '@eslint/compat' );
-const js = require( '@eslint/js' );
-const { FlatCompat } = require( '@eslint/eslintrc' );
+const { defineConfig } = require("eslint/config");
+const wordpressPlugin = require('@wordpress/eslint-plugin');
+const prettierPlugin = require('eslint-plugin-prettier');
+const importPlugin = require('eslint-plugin-import');
+const globals = require('globals');
+const babelParser = require('@babel/eslint-parser');
 
-const compat = new FlatCompat( {
-	baseDirectory: __dirname,
-	recommendedConfig: js.configs.recommended,
-	allConfig: js.configs.all,
-} );
-
-module.exports = [
-	...fixupConfigRules(
-		compat.extends(
-			'plugin:@wordpress/eslint-plugin/recommended',
-			'prettier'
-		)
-	),
-	{
-		files: [ '**/*.js', '**/*.jsx', '**/*.ts', '**/*.tsx' ],
-		languageOptions: {
-			globals: {
-				...globals.browser,
-				...globals.node,
-				CLI: 'readonly',
-				wp: 'readonly',
-			},
-
-			parser: babelParser,
-
-			parserOptions: {
-				requireConfigFile: false,
-
-				babelOptions: {
-					presets: [ '@babel/preset-react' ],
-				},
-				ecmaFeatures: {
-					jsx: true,
-				},
-			},
-		},
-
-		rules: {
-			'prettier/prettier': 0,
-			'jsdoc/require-param': 0,
-			'no-unused-expressions': [
-				'error',
-				{
-					allowTernary: true,
-				},
-			],
-			'import/no-unresolved': [
-				'error',
-				{ ignore: ['^@wordpress/'] },
-			],
-		},
-
-		settings: {
-			react: {
-				version: '19.0',
-			},
-			'import/resolver': {
-				alias: [
-					[
-						'@sage/scripts',
-						'./web/app/themes/sage/resources/scripts',
-					],
-				],
-			},
-		},
-	},
-];
+module.exports = defineConfig([
+    {
+        files: [ '**/*.js', '**/*.jsx', '**/*.ts', '**/*.tsx' ],
+        plugins: {
+			'@wordpress': wordpressPlugin,
+			prettier: prettierPlugin,
+            import: importPlugin,
+        },
+        languageOptions: {
+            globals: {
+                ...globals.browser,
+                ...globals.node,
+                CLI: 'readonly',
+                wp: 'readonly',
+            },
+            parser: babelParser,
+            parserOptions: {
+                requireConfigFile: false,
+                babelOptions: {
+                    presets: [ '@babel/preset-react' ],
+                },
+                ecmaFeatures: {
+                    jsx: true,
+                },
+                ecmaVersion: 2022,
+                sourceType: 'module',
+            },
+        },
+        rules: {
+  			...wordpressPlugin.configs.recommended.rules,
+            'prettier/prettier': 'error',
+            'jsdoc/require-param': 0,
+            'no-unused-expressions': [
+                'error',
+                {
+                    allowTernary: true,
+                },
+            ],
+            'import/no-unresolved': [
+                'error',
+                { ignore: ['^@wordpress/'] },
+            ],
+        },
+        settings: {
+            react: {
+                version: '19.0',
+            },
+            'import/resolver': {
+                alias: [
+                    [
+                        '@sage/scripts',
+                        './web/app/themes/sage/resources/scripts',
+                    ],
+                ],
+            },
+        },
+    },
+]);
diff --git a/packages/toolkit/package.json b/packages/toolkit/package.json
index ab8b94d..fad7529 100644
--- a/packages/toolkit/package.json
+++ b/packages/toolkit/package.json
@@ -21,19 +21,16 @@
 	"license": "ISC",
 	"dependencies": {
 		"@babel/preset-react": "^7.28.5",
-		"@eslint/compat": "^2.0.2",
-		"@eslint/eslintrc": "^3.3.3",
-		"@eslint/js": "^9.39.1",
 		"@shufo/prettier-plugin-blade": "^1.16.1",
 		"@shufo/tailwindcss-class-sorter": "^3.0.1",
 		"@typescript-eslint/eslint-plugin": "^8.56.0",
 		"@wordpress/eslint-plugin": "^24.2.0",
 		"@wordpress/prettier-config": "^4.40.0",
 		"chalk": "^5.6.2",
-		"eslint": "^9.39.1",
-		"eslint-config-prettier": "^10.1.8",
+		"eslint": "^9.39.2",
 		"eslint-import-resolver-alias": "^1.1.2",
 		"eslint-plugin-import": "^2.32.0",
+		"eslint-plugin-prettier": "^5.5.5",
 		"eslint-plugin-react-hooks": "^7.0.1",
 		"globals": "^17.3.0",
 		"globby": "^16.1.1",