diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
new file mode 100644
index 0000000..dca543c
--- /dev/null
+++ b/.github/workflows/tests.yml
@@ -0,0 +1,18 @@
+---
+name: Tests
+on:
+  push:
+    branches:
+      - 'main'
+  pull_request:
+    types: [opened, synchronize, reopened]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v4
+      - run: npm ci
+      - run: npm test
+
diff --git a/__tests__/index.test.mjs b/__tests__/index.test.mjs
new file mode 100644
index 0000000..386cd0d
--- /dev/null
+++ b/__tests__/index.test.mjs
@@ -0,0 +1,72 @@
+import { beforeEach, describe, it } from 'node:test';
+import assert from 'node:assert/strict';
+import fs from 'node:fs';
+
+import stylelint from 'stylelint';
+
+import config from '../index.js';
+
+describe('rules', () => {
+  const ruleNames = Object.keys(config.rules);
+
+  it('is not empty', () => {
+    assert.ok(ruleNames.length > 0);
+  });
+
+  for (const ruleName of ruleNames) {
+    it(`${ruleName}`, async () => {
+      const rule = await stylelint.rules[ruleName];
+
+      assert.ok(!rule.meta.deprecated, `the ${ruleName} rule is deprecated`);
+    });
+  }
+})
+
+describe('with the valid example', () => {
+  const sampleScss = fs.readFileSync('./__tests__/valid.scss', 'utf-8');
+  let result;
+
+  beforeEach(async () => {
+    result = await stylelint.lint({
+      code: sampleScss,
+      config,
+    });
+  });
+
+  it('does not error', () => {
+    assert.equal(result.errored, false);
+  });
+
+  it('has no warnings', () => {
+    assert.equal(result.results[0].warnings.length, 0);
+  });
+});
+
+describe('with the invalid example', () => {
+  const sampleScss = fs.readFileSync('./__tests__/invalid.scss', 'utf-8');
+  let result;
+
+  beforeEach(async () => {
+    result = await stylelint.lint({
+      code: sampleScss,
+      config,
+    });
+  });
+
+  it('do error', () => {
+    assert.equal(result.errored, true);
+  });
+
+  it('has the correct amount of warnings', () => {
+    assert.equal(result.results[0].warnings.length, 1);
+  });
+
+  it('flags the correct rules', () => {
+    assert.deepEqual(
+      result.results[0].warnings.map((w) => w.rule),
+      [
+        'color-hex-length',
+      ],
+    );
+  });
+});
diff --git a/__tests__/invalid.scss b/__tests__/invalid.scss
new file mode 100644
index 0000000..8e49582
--- /dev/null
+++ b/__tests__/invalid.scss
@@ -0,0 +1 @@
+$color-variable: #fff;
diff --git a/__tests__/valid.scss b/__tests__/valid.scss
new file mode 100644
index 0000000..bed75a2
--- /dev/null
+++ b/__tests__/valid.scss
@@ -0,0 +1,51 @@
+@import "partial-name";
+
+$color-variable: #ffffff;
+
+/* I'm here to explain what this class does */
+.class-one {
+  background-color: $color-variable;
+  border: 0;
+  line-height: 1.5;
+  text-size: 0.5rem;
+  transition: background-color 0.5s ease;
+
+  @media (width >= 1px) {
+    margin: ($spacing-variable * 2) 1rem;
+  }
+
+  &:hover {
+    box-shadow: 0 0 2px 1px rgba($color-variable, 0.2);
+  }
+
+  &::before {
+    content: "hello";
+  }
+}
+
+$map: (
+  "key-1": value-1,
+  "key-2": value-2,
+);
+
+.class-two {
+  @extend %placeholder;
+  @include mixin;
+
+  align-items: center;
+  display: flex;
+  flex: 1 1 auto;
+
+  a {
+    text-decoration: none;
+
+    &:focus,
+    &:hover {
+      text-decoration: underline;
+    }
+  }
+
+  &.child {
+    color: $red;
+  }
+}
diff --git a/index.js b/index.js
index ac7b515..c14892a 100644
--- a/index.js
+++ b/index.js
@@ -1,9 +1,8 @@
 module.exports = {
-  "extends": "stylelint-config-recommended",
+  "extends": ["stylelint-config-standard-scss", "stylelint-config-recommended"],
   "plugins": [
     "stylelint-declaration-block-no-ignored-properties",
     "stylelint-order",
-    "stylelint-scss"
   ],
   "rules": {
     "at-rule-no-unknown": null,
diff --git a/package-lock.json b/package-lock.json
index a600191..4ff79fe 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,9 +10,9 @@
       "license": "MIT",
       "dependencies": {
         "stylelint-config-recommended": "^13.0.0",
+        "stylelint-config-standard-scss": "^11.0.0",
         "stylelint-declaration-block-no-ignored-properties": "^2.5.0",
-        "stylelint-order": "^6.0.0",
-        "stylelint-scss": "^5.0.0"
+        "stylelint-order": "^6.0.0"
       },
       "peerDependencies": {
         "stylelint": "^15.10.1"
@@ -1132,9 +1132,9 @@
       "peer": true
     },
     "node_modules/nanoid": {
-      "version": "3.3.6",
-      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.6.tgz",
-      "integrity": "sha512-BGcqMMJuToF7i1rt+2PWSNVnWIkGCU78jBG3RxO/bZlnZPK2Cmi2QaffxGO/2RvWi9sL+FAiRiXMgsyxQ1DIDA==",
+      "version": "3.3.7",
+      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.7.tgz",
+      "integrity": "sha512-eSRppjcPIatRIMC1U6UngP8XFcz8MQWGQdt1MTBQ7NaAmvXDfvNxbvWV3x2y6CdEUciCSsDHDQZbhYaB8QEo2g==",
       "funding": [
         {
           "type": "github",
@@ -1286,9 +1286,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.4.25",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.25.tgz",
-      "integrity": "sha512-7taJ/8t2av0Z+sQEvNzCkpDynl0tX3uJMCODi6nT3PfASC7dYCWV9aQ+uiCf+KBD4SEFcu+GvJdGdwzQ6OSjCw==",
+      "version": "8.4.33",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.33.tgz",
+      "integrity": "sha512-Kkpbhhdjw2qQs2O2DGX+8m5OVqEcbB9HRBvuYM9pgrjEFUg30A9LmXNlTAUj4S9kgtGyrMbTzVjH7E+s5Re2yg==",
       "funding": [
         {
           "type": "opencollective",
@@ -1304,7 +1304,7 @@
         }
       ],
       "dependencies": {
-        "nanoid": "^3.3.6",
+        "nanoid": "^3.3.7",
         "picocolors": "^1.0.0",
         "source-map-js": "^1.0.2"
       },
@@ -1338,6 +1338,31 @@
         "postcss": "^8.3.3"
       }
     },
+    "node_modules/postcss-scss": {
+      "version": "4.0.9",
+      "resolved": "https://registry.npmjs.org/postcss-scss/-/postcss-scss-4.0.9.tgz",
+      "integrity": "sha512-AjKOeiwAitL/MXxQW2DliT28EKukvvbEWx3LBmJIRN8KfBGZbRTxNYW0kSqi1COiTZ57nZ9NW06S6ux//N1c9A==",
+      "funding": [
+        {
+          "type": "opencollective",
+          "url": "https://opencollective.com/postcss/"
+        },
+        {
+          "type": "tidelift",
+          "url": "https://tidelift.com/funding/github/npm/postcss-scss"
+        },
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/ai"
+        }
+      ],
+      "engines": {
+        "node": ">=12.0"
+      },
+      "peerDependencies": {
+        "postcss": "^8.4.29"
+      }
+    },
     "node_modules/postcss-selector-parser": {
       "version": "6.0.13",
       "resolved": "https://registry.npmjs.org/postcss-selector-parser/-/postcss-selector-parser-6.0.13.tgz",
@@ -1763,6 +1788,57 @@
         "stylelint": "^15.10.0"
       }
     },
+    "node_modules/stylelint-config-recommended-scss": {
+      "version": "13.1.0",
+      "resolved": "https://registry.npmjs.org/stylelint-config-recommended-scss/-/stylelint-config-recommended-scss-13.1.0.tgz",
+      "integrity": "sha512-8L5nDfd+YH6AOoBGKmhH8pLWF1dpfY816JtGMePcBqqSsLU+Ysawx44fQSlMOJ2xTfI9yTGpup5JU77c17w1Ww==",
+      "dependencies": {
+        "postcss-scss": "^4.0.9",
+        "stylelint-config-recommended": "^13.0.0",
+        "stylelint-scss": "^5.3.0"
+      },
+      "peerDependencies": {
+        "postcss": "^8.3.3",
+        "stylelint": "^15.10.0"
+      },
+      "peerDependenciesMeta": {
+        "postcss": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/stylelint-config-standard": {
+      "version": "34.0.0",
+      "resolved": "https://registry.npmjs.org/stylelint-config-standard/-/stylelint-config-standard-34.0.0.tgz",
+      "integrity": "sha512-u0VSZnVyW9VSryBG2LSO+OQTjN7zF9XJaAJRX/4EwkmU0R2jYwmBSN10acqZisDitS0CLiEiGjX7+Hrq8TAhfQ==",
+      "dependencies": {
+        "stylelint-config-recommended": "^13.0.0"
+      },
+      "engines": {
+        "node": "^14.13.1 || >=16.0.0"
+      },
+      "peerDependencies": {
+        "stylelint": "^15.10.0"
+      }
+    },
+    "node_modules/stylelint-config-standard-scss": {
+      "version": "11.0.0",
+      "resolved": "https://registry.npmjs.org/stylelint-config-standard-scss/-/stylelint-config-standard-scss-11.0.0.tgz",
+      "integrity": "sha512-fGE79NBOLg09a9afqGH/guJulRULCaQWWv4cv1v2bMX92B+fGb0y56WqIguwvFcliPmmUXiAhKrrnXilIeXoHA==",
+      "dependencies": {
+        "stylelint-config-recommended-scss": "^13.0.0",
+        "stylelint-config-standard": "^34.0.0"
+      },
+      "peerDependencies": {
+        "postcss": "^8.3.3",
+        "stylelint": "^15.10.0"
+      },
+      "peerDependenciesMeta": {
+        "postcss": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/stylelint-declaration-block-no-ignored-properties": {
       "version": "2.7.0",
       "resolved": "https://registry.npmjs.org/stylelint-declaration-block-no-ignored-properties/-/stylelint-declaration-block-no-ignored-properties-2.7.0.tgz",
@@ -1787,10 +1863,11 @@
       }
     },
     "node_modules/stylelint-scss": {
-      "version": "5.0.1",
-      "resolved": "https://registry.npmjs.org/stylelint-scss/-/stylelint-scss-5.0.1.tgz",
-      "integrity": "sha512-n87iCRZrr2J7//I/QFsDXxFLnHKw633U4qvWZ+mOW6KDAp/HLj06H+6+f9zOuTYy+MdGdTuCSDROCpQIhw5fvQ==",
+      "version": "5.3.2",
+      "resolved": "https://registry.npmjs.org/stylelint-scss/-/stylelint-scss-5.3.2.tgz",
+      "integrity": "sha512-4LzLaayFhFyneJwLo0IUa8knuIvj+zF0vBFueQs4e3tEaAMIQX8q5th8ziKkgOavr6y/y9yoBe+RXN/edwLzsQ==",
       "dependencies": {
+        "known-css-properties": "^0.29.0",
         "postcss-media-query-parser": "^0.2.3",
         "postcss-resolve-nested-selector": "^0.1.1",
         "postcss-selector-parser": "^6.0.13",
@@ -1800,6 +1877,11 @@
         "stylelint": "^14.5.1 || ^15.0.0"
       }
     },
+    "node_modules/stylelint-scss/node_modules/known-css-properties": {
+      "version": "0.29.0",
+      "resolved": "https://registry.npmjs.org/known-css-properties/-/known-css-properties-0.29.0.tgz",
+      "integrity": "sha512-Ne7wqW7/9Cz54PDt4I3tcV+hAyat8ypyOGzYRJQfdxnnjeWsTxt1cy8pjvvKeI5kfXuyvULyeeAvwvvtAX3ayQ=="
+    },
     "node_modules/supports-color": {
       "version": "5.5.0",
       "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
@@ -2796,9 +2878,9 @@
       "peer": true
     },
     "nanoid": {
-      "version": "3.3.6",
-      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.6.tgz",
-      "integrity": "sha512-BGcqMMJuToF7i1rt+2PWSNVnWIkGCU78jBG3RxO/bZlnZPK2Cmi2QaffxGO/2RvWi9sL+FAiRiXMgsyxQ1DIDA=="
+      "version": "3.3.7",
+      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.7.tgz",
+      "integrity": "sha512-eSRppjcPIatRIMC1U6UngP8XFcz8MQWGQdt1MTBQ7NaAmvXDfvNxbvWV3x2y6CdEUciCSsDHDQZbhYaB8QEo2g=="
     },
     "normalize-package-data": {
       "version": "3.0.3",
@@ -2896,11 +2978,11 @@
       "peer": true
     },
     "postcss": {
-      "version": "8.4.25",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.25.tgz",
-      "integrity": "sha512-7taJ/8t2av0Z+sQEvNzCkpDynl0tX3uJMCODi6nT3PfASC7dYCWV9aQ+uiCf+KBD4SEFcu+GvJdGdwzQ6OSjCw==",
+      "version": "8.4.33",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.33.tgz",
+      "integrity": "sha512-Kkpbhhdjw2qQs2O2DGX+8m5OVqEcbB9HRBvuYM9pgrjEFUg30A9LmXNlTAUj4S9kgtGyrMbTzVjH7E+s5Re2yg==",
       "requires": {
-        "nanoid": "^3.3.6",
+        "nanoid": "^3.3.7",
         "picocolors": "^1.0.0",
         "source-map-js": "^1.0.2"
       }
@@ -2922,6 +3004,12 @@
       "peer": true,
       "requires": {}
     },
+    "postcss-scss": {
+      "version": "4.0.9",
+      "resolved": "https://registry.npmjs.org/postcss-scss/-/postcss-scss-4.0.9.tgz",
+      "integrity": "sha512-AjKOeiwAitL/MXxQW2DliT28EKukvvbEWx3LBmJIRN8KfBGZbRTxNYW0kSqi1COiTZ57nZ9NW06S6ux//N1c9A==",
+      "requires": {}
+    },
     "postcss-selector-parser": {
       "version": "6.0.13",
       "resolved": "https://registry.npmjs.org/postcss-selector-parser/-/postcss-selector-parser-6.0.13.tgz",
@@ -3213,6 +3301,33 @@
       "integrity": "sha512-EH+yRj6h3GAe/fRiyaoO2F9l9Tgg50AOFhaszyfov9v6ayXJ1IkSHwTxd7lB48FmOeSGDPLjatjO11fJpmarkQ==",
       "requires": {}
     },
+    "stylelint-config-recommended-scss": {
+      "version": "13.1.0",
+      "resolved": "https://registry.npmjs.org/stylelint-config-recommended-scss/-/stylelint-config-recommended-scss-13.1.0.tgz",
+      "integrity": "sha512-8L5nDfd+YH6AOoBGKmhH8pLWF1dpfY816JtGMePcBqqSsLU+Ysawx44fQSlMOJ2xTfI9yTGpup5JU77c17w1Ww==",
+      "requires": {
+        "postcss-scss": "^4.0.9",
+        "stylelint-config-recommended": "^13.0.0",
+        "stylelint-scss": "^5.3.0"
+      }
+    },
+    "stylelint-config-standard": {
+      "version": "34.0.0",
+      "resolved": "https://registry.npmjs.org/stylelint-config-standard/-/stylelint-config-standard-34.0.0.tgz",
+      "integrity": "sha512-u0VSZnVyW9VSryBG2LSO+OQTjN7zF9XJaAJRX/4EwkmU0R2jYwmBSN10acqZisDitS0CLiEiGjX7+Hrq8TAhfQ==",
+      "requires": {
+        "stylelint-config-recommended": "^13.0.0"
+      }
+    },
+    "stylelint-config-standard-scss": {
+      "version": "11.0.0",
+      "resolved": "https://registry.npmjs.org/stylelint-config-standard-scss/-/stylelint-config-standard-scss-11.0.0.tgz",
+      "integrity": "sha512-fGE79NBOLg09a9afqGH/guJulRULCaQWWv4cv1v2bMX92B+fGb0y56WqIguwvFcliPmmUXiAhKrrnXilIeXoHA==",
+      "requires": {
+        "stylelint-config-recommended-scss": "^13.0.0",
+        "stylelint-config-standard": "^34.0.0"
+      }
+    },
     "stylelint-declaration-block-no-ignored-properties": {
       "version": "2.7.0",
       "resolved": "https://registry.npmjs.org/stylelint-declaration-block-no-ignored-properties/-/stylelint-declaration-block-no-ignored-properties-2.7.0.tgz",
@@ -3229,14 +3344,22 @@
       }
     },
     "stylelint-scss": {
-      "version": "5.0.1",
-      "resolved": "https://registry.npmjs.org/stylelint-scss/-/stylelint-scss-5.0.1.tgz",
-      "integrity": "sha512-n87iCRZrr2J7//I/QFsDXxFLnHKw633U4qvWZ+mOW6KDAp/HLj06H+6+f9zOuTYy+MdGdTuCSDROCpQIhw5fvQ==",
+      "version": "5.3.2",
+      "resolved": "https://registry.npmjs.org/stylelint-scss/-/stylelint-scss-5.3.2.tgz",
+      "integrity": "sha512-4LzLaayFhFyneJwLo0IUa8knuIvj+zF0vBFueQs4e3tEaAMIQX8q5th8ziKkgOavr6y/y9yoBe+RXN/edwLzsQ==",
       "requires": {
+        "known-css-properties": "^0.29.0",
         "postcss-media-query-parser": "^0.2.3",
         "postcss-resolve-nested-selector": "^0.1.1",
         "postcss-selector-parser": "^6.0.13",
         "postcss-value-parser": "^4.2.0"
+      },
+      "dependencies": {
+        "known-css-properties": {
+          "version": "0.29.0",
+          "resolved": "https://registry.npmjs.org/known-css-properties/-/known-css-properties-0.29.0.tgz",
+          "integrity": "sha512-Ne7wqW7/9Cz54PDt4I3tcV+hAyat8ypyOGzYRJQfdxnnjeWsTxt1cy8pjvvKeI5kfXuyvULyeeAvwvvtAX3ayQ=="
+        }
       }
     },
     "supports-color": {
diff --git a/package.json b/package.json
index 24e2827..94177cb 100644
--- a/package.json
+++ b/package.json
@@ -2,9 +2,9 @@
   "author": "thoughtbot, Inc.",
   "dependencies": {
     "stylelint-config-recommended": "^13.0.0",
+    "stylelint-config-standard-scss": "^11.0.0",
     "stylelint-declaration-block-no-ignored-properties": "^2.5.0",
-    "stylelint-order": "^6.0.0",
-    "stylelint-scss": "^5.0.0"
+    "stylelint-order": "^6.0.0"
   },
   "keywords": [
     "stylelint",
@@ -21,6 +21,8 @@
     "url": "https://github.com/thoughtbot/stylelint-config.git"
   },
   "scripts": {
+    "test": "node --test __tests__/*.test.*",
+    "lint": "stylelint",
     "prepublishOnly": "git push && git push --tags",
     "version": "git add CHANGELOG.md"
   },