diff --git a/.eslintrc.base.js b/.eslintrc.base.js
index e642e0b..a17afc8 100644
--- a/.eslintrc.base.js
+++ b/.eslintrc.base.js
@@ -7,6 +7,8 @@
 
 const config = require(".");
 
+const includeDeprecated = !process.env.ESLINT_CONFIG_PRETTIER_NO_DEPRECATED;
+
 module.exports = {
   extends: [
     "google",
@@ -68,6 +70,19 @@ module.exports = {
     "object-curly-spacing": "off",
     "babel/object-curly-spacing": ["error", "never"],
     "@babel/object-curly-spacing": ["error", "never"],
+
+    // Workaround: These rules are deprecated, but added by eslint-config-google.
+    // We have to exclude them when testing the flat config, but also turn them
+    // off for the linting tests to pass. It’s time to get rid of eslint-config-google
+    // (their GitHub repo is archived as well).
+    ...(includeDeprecated
+      ? {}
+      : {
+          "comma-dangle": "off",
+          "max-len": "off",
+          "operator-linebreak": "off",
+          "quotes": "off",
+        }),
   },
   overrides: [
     {
diff --git a/README.md b/README.md
index 240cf56..259d354 100644
--- a/README.md
+++ b/README.md
@@ -275,7 +275,7 @@ Example ESLint configuration:
 }
 ```
 
-### [lines-around-comment]
+### [lines-around-comment] \(deprecated)
 
 (The following applies to [@typescript-eslint/lines-around-comment] as well.)
 
@@ -334,7 +334,7 @@ Example ESLint configuration:
 }
 ```
 
-### [max-len]
+### [max-len] \(deprecated)
 
 (The following applies to [vue/max-len] as well.)
 
@@ -357,7 +357,7 @@ Example ESLint configuration:
 }
 ```
 
-### [no-confusing-arrow]
+### [no-confusing-arrow] \(deprecated)
 
 **This rule requires certain options.**
 
@@ -407,7 +407,7 @@ Example ESLint configuration:
 
 (Note: The CLI helper tool considers `{allowParens: true}` to be the default, which is the case since ESLint 6.0.0. The tool will produce a warning if you use the default even if you use an older version of ESLint. It doesn’t hurt to explicitly set `{allowParens: false}` even though it is technically redundant. This way you are prepared for a future ESLint upgrade and the CLI tool can be kept simple.)
 
-### [no-mixed-operators]
+### [no-mixed-operators] \(deprecated)
 
 **This rule requires special attention when writing code.**
 
@@ -460,7 +460,7 @@ Example ESLint configuration:
 }
 ```
 
-### [no-tabs]
+### [no-tabs] \(deprecated)
 
 **This rule requires certain options.**
 
@@ -546,7 +546,7 @@ Example configuration:
 }
 ```
 
-### [quotes]
+### [quotes] \(deprecated)
 
 (The following applies to [babel/quotes] and [@typescript-eslint/quotes] as well.)
 
diff --git a/index.js b/index.js
index 102ab60..73e4f71 100644
--- a/index.js
+++ b/index.js
@@ -2,85 +2,24 @@
 
 const includeDeprecated = !process.env.ESLINT_CONFIG_PRETTIER_NO_DEPRECATED;
 
+const specialRule = 0;
+
 module.exports = {
   rules: {
     // The following rules can be used in some cases. See the README for more
-    // information. (These are marked with `0` instead of `"off"` so that a
-    // script can distinguish them.)
-    "curly": 0,
-    "lines-around-comment": 0,
-    "max-len": 0,
-    "no-confusing-arrow": 0,
-    "no-mixed-operators": 0,
-    "no-tabs": 0,
-    "no-unexpected-multiline": 0,
-    "quotes": 0,
-    "@typescript-eslint/lines-around-comment": 0,
-    "@typescript-eslint/quotes": 0,
-    "babel/quotes": 0,
-    "unicorn/template-indent": 0,
-    "vue/html-self-closing": 0,
-    "vue/max-len": 0,
+    // information. These are marked with `0` instead of `"off"` so that a
+    // script can distinguish them. Note that there are a few more of these
+    // in the deprecated section below.
+    "curly": specialRule,
+    "no-unexpected-multiline": specialRule,
+    "@typescript-eslint/lines-around-comment": specialRule,
+    "@typescript-eslint/quotes": specialRule,
+    "babel/quotes": specialRule,
+    "unicorn/template-indent": specialRule,
+    "vue/html-self-closing": specialRule,
+    "vue/max-len": specialRule,
 
     // The rest are rules that you never need to enable when using Prettier.
-    "array-bracket-newline": "off",
-    "array-bracket-spacing": "off",
-    "array-element-newline": "off",
-    "arrow-parens": "off",
-    "arrow-spacing": "off",
-    "block-spacing": "off",
-    "brace-style": "off",
-    "comma-dangle": "off",
-    "comma-spacing": "off",
-    "comma-style": "off",
-    "computed-property-spacing": "off",
-    "dot-location": "off",
-    "eol-last": "off",
-    "func-call-spacing": "off",
-    "function-call-argument-newline": "off",
-    "function-paren-newline": "off",
-    "generator-star-spacing": "off",
-    "implicit-arrow-linebreak": "off",
-    "indent": "off",
-    "jsx-quotes": "off",
-    "key-spacing": "off",
-    "keyword-spacing": "off",
-    "linebreak-style": "off",
-    "max-statements-per-line": "off",
-    "multiline-ternary": "off",
-    "newline-per-chained-call": "off",
-    "new-parens": "off",
-    "no-extra-parens": "off",
-    "no-extra-semi": "off",
-    "no-floating-decimal": "off",
-    "no-mixed-spaces-and-tabs": "off",
-    "no-multi-spaces": "off",
-    "no-multiple-empty-lines": "off",
-    "no-trailing-spaces": "off",
-    "no-whitespace-before-property": "off",
-    "nonblock-statement-body-position": "off",
-    "object-curly-newline": "off",
-    "object-curly-spacing": "off",
-    "object-property-newline": "off",
-    "one-var-declaration-per-line": "off",
-    "operator-linebreak": "off",
-    "padded-blocks": "off",
-    "quote-props": "off",
-    "rest-spread-spacing": "off",
-    "semi": "off",
-    "semi-spacing": "off",
-    "semi-style": "off",
-    "space-before-blocks": "off",
-    "space-before-function-paren": "off",
-    "space-in-parens": "off",
-    "space-infix-ops": "off",
-    "space-unary-ops": "off",
-    "switch-colon-spacing": "off",
-    "template-curly-spacing": "off",
-    "template-tag-spacing": "off",
-    "wrap-iife": "off",
-    "wrap-regex": "off",
-    "yield-star-spacing": "off",
     "@babel/object-curly-spacing": "off",
     "@babel/semi": "off",
     "@typescript-eslint/block-spacing": "off",
@@ -173,51 +112,103 @@ module.exports = {
     "vue/template-curly-spacing": "off",
 
     ...(includeDeprecated && {
+      // Removed in version 0.10.0.
+      // https://eslint.org/docs/latest/rules/space-unary-word-ops
+      "space-unary-word-ops": "off",
+
       // Removed in version 1.0.0.
-      // https://eslint.org/docs/latest/rules/generator-star
+      // https://github.com/eslint/eslint/issues/1898
       "generator-star": "off",
-      // Deprecated since version 4.0.0.
-      // https://github.com/eslint/eslint/pull/8286
-      "indent-legacy": "off",
-      // Removed in version 2.0.0.
-      // https://eslint.org/docs/latest/rules/no-arrow-condition
-      "no-arrow-condition": "off",
-      // Removed in version 1.0.0.
-      // https://eslint.org/docs/latest/rules/no-comma-dangle
       "no-comma-dangle": "off",
-      // Removed in version 1.0.0.
-      // https://eslint.org/docs/latest/rules/no-reserved-keys
       "no-reserved-keys": "off",
-      // Removed in version 1.0.0.
-      // https://eslint.org/docs/latest/rules/no-space-before-semi
       "no-space-before-semi": "off",
-      // Deprecated since version 3.3.0.
-      // https://eslint.org/docs/rules/no-spaced-func
-      "no-spaced-func": "off",
-      // Removed in version 1.0.0.
-      // https://eslint.org/docs/latest/rules/no-wrap-func
       "no-wrap-func": "off",
-      // Removed in version 1.0.0.
-      // https://eslint.org/docs/latest/rules/space-after-function-name
       "space-after-function-name": "off",
-      // Removed in version 2.0.0.
-      // https://eslint.org/docs/latest/rules/space-after-keywords
-      "space-after-keywords": "off",
-      // Removed in version 1.0.0.
-      // https://eslint.org/docs/latest/rules/space-before-function-parentheses
       "space-before-function-parentheses": "off",
-      // Removed in version 2.0.0.
-      // https://eslint.org/docs/latest/rules/space-before-keywords
-      "space-before-keywords": "off",
-      // Removed in version 1.0.0.
-      // https://eslint.org/docs/latest/rules/space-in-brackets
       "space-in-brackets": "off",
+
       // Removed in version 2.0.0.
-      // https://eslint.org/docs/latest/rules/space-return-throw-case
+      // https://github.com/eslint/eslint/issues/5032
+      "no-arrow-condition": "off",
+      "space-after-keywords": "off",
+      "space-before-keywords": "off",
       "space-return-throw-case": "off",
-      // Removed in version 0.10.0.
-      // https://eslint.org/docs/latest/rules/space-unary-word-ops
-      "space-unary-word-ops": "off",
+
+      // Deprecated since version 3.3.0.
+      // https://eslint.org/docs/rules/no-spaced-func
+      "no-spaced-func": "off",
+
+      // Deprecated since version 4.0.0.
+      // https://github.com/eslint/eslint/pull/8286
+      "indent-legacy": "off",
+
+      // Deprecated since version 8.53.0.
+      // https://eslint.org/blog/2023/10/deprecating-formatting-rules/
+      "array-bracket-newline": "off",
+      "array-bracket-spacing": "off",
+      "array-element-newline": "off",
+      "arrow-parens": "off",
+      "arrow-spacing": "off",
+      "block-spacing": "off",
+      "brace-style": "off",
+      "comma-dangle": "off",
+      "comma-spacing": "off",
+      "comma-style": "off",
+      "computed-property-spacing": "off",
+      "dot-location": "off",
+      "eol-last": "off",
+      "func-call-spacing": "off",
+      "function-call-argument-newline": "off",
+      "function-paren-newline": "off",
+      "generator-star-spacing": "off",
+      "implicit-arrow-linebreak": "off",
+      "indent": "off",
+      "jsx-quotes": "off",
+      "key-spacing": "off",
+      "keyword-spacing": "off",
+      "linebreak-style": "off",
+      "lines-around-comment": specialRule,
+      "max-len": specialRule,
+      "max-statements-per-line": "off",
+      "multiline-ternary": "off",
+      "new-parens": "off",
+      "newline-per-chained-call": "off",
+      "no-confusing-arrow": specialRule,
+      "no-extra-parens": "off",
+      "no-extra-semi": "off",
+      "no-floating-decimal": "off",
+      "no-mixed-operators": specialRule,
+      "no-mixed-spaces-and-tabs": "off",
+      "no-multi-spaces": "off",
+      "no-multiple-empty-lines": "off",
+      "no-tabs": specialRule,
+      "no-trailing-spaces": "off",
+      "no-whitespace-before-property": "off",
+      "nonblock-statement-body-position": "off",
+      "object-curly-newline": "off",
+      "object-curly-spacing": "off",
+      "object-property-newline": "off",
+      "one-var-declaration-per-line": "off",
+      "operator-linebreak": "off",
+      "padded-blocks": "off",
+      "quote-props": "off",
+      "quotes": specialRule,
+      "rest-spread-spacing": "off",
+      "semi": "off",
+      "semi-spacing": "off",
+      "semi-style": "off",
+      "space-before-blocks": "off",
+      "space-before-function-paren": "off",
+      "space-in-parens": "off",
+      "space-infix-ops": "off",
+      "space-unary-ops": "off",
+      "switch-colon-spacing": "off",
+      "template-curly-spacing": "off",
+      "template-tag-spacing": "off",
+      "wrap-iife": "off",
+      "wrap-regex": "off",
+      "yield-star-spacing": "off",
+
       // Deprecated since version 7.0.0.
       // https://github.com/yannickcr/eslint-plugin-react/blob/master/CHANGELOG.md#700---2017-05-06
       "react/jsx-space-before-closing": "off",
diff --git a/package-lock.json b/package-lock.json
index ea29ebb..7ab0fb2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12,7 +12,7 @@
         "@babel/plugin-transform-react-jsx": "7.23.4",
         "@typescript-eslint/eslint-plugin": "6.13.1",
         "@typescript-eslint/parser": "6.13.1",
-        "eslint": "8.52.0",
+        "eslint": "8.55.0",
         "eslint-config-google": "0.14.0",
         "eslint-find-rules": "4.1.0",
         "eslint-plugin-babel": "5.3.1",
@@ -669,9 +669,9 @@
       }
     },
     "node_modules/@eslint/js": {
-      "version": "8.52.0",
-      "resolved": "https://registry.npmjs.org/@eslint/js/-/js-8.52.0.tgz",
-      "integrity": "sha512-mjZVbpaeMZludF2fsWLD0Z9gCref1Tk4i9+wddjRvpUNqqcndPkBD09N/Mapey0b3jaXbLm2kICwFv2E64QinA==",
+      "version": "8.55.0",
+      "resolved": "https://registry.npmjs.org/@eslint/js/-/js-8.55.0.tgz",
+      "integrity": "sha512-qQfo2mxH5yVom1kacMtZZJFVdW+E70mqHMJvVg6WTLo+VBuQJ4TojZlfWBjK0ve5BdEeNAVxOsl/nvNMpJOaJA==",
       "dev": true,
       "engines": {
         "node": "^12.22.0 || ^14.17.0 || >=16.0.0"
@@ -3181,15 +3181,15 @@
       }
     },
     "node_modules/eslint": {
-      "version": "8.52.0",
-      "resolved": "https://registry.npmjs.org/eslint/-/eslint-8.52.0.tgz",
-      "integrity": "sha512-zh/JHnaixqHZsolRB/w9/02akBk9EPrOs9JwcTP2ek7yL5bVvXuRariiaAjjoJ5DvuwQ1WAE/HsMz+w17YgBCg==",
+      "version": "8.55.0",
+      "resolved": "https://registry.npmjs.org/eslint/-/eslint-8.55.0.tgz",
+      "integrity": "sha512-iyUUAM0PCKj5QpwGfmCAG9XXbZCWsqP/eWAWrG/W0umvjuLRBECwSFdt+rCntju0xEH7teIABPwXpahftIaTdA==",
       "dev": true,
       "dependencies": {
         "@eslint-community/eslint-utils": "^4.2.0",
         "@eslint-community/regexpp": "^4.6.1",
-        "@eslint/eslintrc": "^2.1.2",
-        "@eslint/js": "8.52.0",
+        "@eslint/eslintrc": "^2.1.4",
+        "@eslint/js": "8.55.0",
         "@humanwhocodes/config-array": "^0.11.13",
         "@humanwhocodes/module-importer": "^1.0.1",
         "@nodelib/fs.walk": "^1.2.8",
@@ -9314,9 +9314,9 @@
       }
     },
     "@eslint/js": {
-      "version": "8.52.0",
-      "resolved": "https://registry.npmjs.org/@eslint/js/-/js-8.52.0.tgz",
-      "integrity": "sha512-mjZVbpaeMZludF2fsWLD0Z9gCref1Tk4i9+wddjRvpUNqqcndPkBD09N/Mapey0b3jaXbLm2kICwFv2E64QinA==",
+      "version": "8.55.0",
+      "resolved": "https://registry.npmjs.org/@eslint/js/-/js-8.55.0.tgz",
+      "integrity": "sha512-qQfo2mxH5yVom1kacMtZZJFVdW+E70mqHMJvVg6WTLo+VBuQJ4TojZlfWBjK0ve5BdEeNAVxOsl/nvNMpJOaJA==",
       "dev": true
     },
     "@humanwhocodes/config-array": {
@@ -11173,15 +11173,15 @@
       "dev": true
     },
     "eslint": {
-      "version": "8.52.0",
-      "resolved": "https://registry.npmjs.org/eslint/-/eslint-8.52.0.tgz",
-      "integrity": "sha512-zh/JHnaixqHZsolRB/w9/02akBk9EPrOs9JwcTP2ek7yL5bVvXuRariiaAjjoJ5DvuwQ1WAE/HsMz+w17YgBCg==",
+      "version": "8.55.0",
+      "resolved": "https://registry.npmjs.org/eslint/-/eslint-8.55.0.tgz",
+      "integrity": "sha512-iyUUAM0PCKj5QpwGfmCAG9XXbZCWsqP/eWAWrG/W0umvjuLRBECwSFdt+rCntju0xEH7teIABPwXpahftIaTdA==",
       "dev": true,
       "requires": {
         "@eslint-community/eslint-utils": "^4.2.0",
         "@eslint-community/regexpp": "^4.6.1",
-        "@eslint/eslintrc": "^2.1.2",
-        "@eslint/js": "8.52.0",
+        "@eslint/eslintrc": "^2.1.4",
+        "@eslint/js": "8.55.0",
         "@humanwhocodes/config-array": "^0.11.13",
         "@humanwhocodes/module-importer": "^1.0.1",
         "@nodelib/fs.walk": "^1.2.8",
diff --git a/package.json b/package.json
index 6317d74..13a13d1 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "@babel/plugin-transform-react-jsx": "7.23.4",
     "@typescript-eslint/eslint-plugin": "6.13.1",
     "@typescript-eslint/parser": "6.13.1",
-    "eslint": "8.52.0",
+    "eslint": "8.55.0",
     "eslint-config-google": "0.14.0",
     "eslint-find-rules": "4.1.0",
     "eslint-plugin-babel": "5.3.1",
diff --git a/test-lint/core.js b/test-lint/core.js
index 60faab9..20073d1 100644
--- a/test-lint/core.js
+++ b/test-lint/core.js
@@ -1,2 +1,5 @@
-// Prettier wants double quotes, but `eslint-config-google` wants single quotes.
 "use strict";
+
+// Prettier wants a newline after the condition, but `eslint-config-google` does not.
+if (cart.items && cart.items[0] && cart.items[0].quantity === 0)
+  updateCart(cart);
diff --git a/test/cli.test.js b/test/cli.test.js
index 8bbc510..8962565 100644
--- a/test/cli.test.js
+++ b/test/cli.test.js
@@ -41,7 +41,7 @@ describe("does not flag", () => {
 });
 
 describe("does flag", () => {
-  const rules = ["strict", "arrow-parens"];
+  const rules = ["strict", "unicorn/empty-brace-spaces"];
 
   const results = onPatterns.map((pattern) => ({
     pattern: JSON.stringify(pattern),
@@ -54,7 +54,7 @@ describe("does flag", () => {
         "code": 2,
         "stdout": "The following rules are unnecessary or might conflict with Prettier:
 
-      - arrow-parens",
+      - unicorn/empty-brace-spaces",
       }
     `);
   });
@@ -90,14 +90,14 @@ test("conflicting options", () => {
 });
 
 test("special rules", () => {
-  const rules = ["strict", "max-len"];
+  const rules = ["strict", "no-unexpected-multiline"];
   expect(cli.processRules(createRules(rules, "error"))).toMatchInlineSnapshot(`
     {
       "code": 0,
       "stdout": "The following rules are enabled but cannot be automatically checked. See:
     https://github.com/prettier/eslint-config-prettier#special-rules
 
-    - max-len
+    - no-unexpected-multiline
 
     Other than that, no rules that are unnecessary or conflict with Prettier were found.",
     }
@@ -128,7 +128,33 @@ test("all the things", () => {
     "arrow-body-style",
     "unicorn/template-indent",
   ];
-  expect(cli.processRules(createRules(rules, "error"))).toMatchInlineSnapshot(`
+
+  const result = cli.processRules(createRules(rules, "error"));
+
+  if (process.env.ESLINT_CONFIG_PRETTIER_NO_DEPRECATED) {
+    expect(result).toMatchInlineSnapshot(`
+    {
+      "code": 2,
+      "stdout": "The following rules are unnecessary or might conflict with Prettier:
+
+    - flowtype/semi
+    - react/jsx-indent
+
+    The following rules are enabled with config that might conflict with Prettier. See:
+    https://github.com/prettier/eslint-config-prettier#special-rules
+
+    - curly
+    - unicorn/template-indent
+    - vue/html-self-closing
+
+    The following rules are enabled but cannot be automatically checked. See:
+    https://github.com/prettier/eslint-config-prettier#special-rules
+
+    - no-unexpected-multiline",
+    }
+  `);
+  } else {
+    expect(result).toMatchInlineSnapshot(`
     {
       "code": 2,
       "stdout": "The following rules are unnecessary or might conflict with Prettier:
@@ -157,6 +183,7 @@ test("all the things", () => {
     - quotes",
     }
   `);
+  }
 });
 
 test("eslint-plugin-prettier", () => {