diff --git a/index.json b/index.json
index 380907f..f6fac0b 100644
--- a/index.json
+++ b/index.json
@@ -4,7 +4,6 @@
     "stylelint-config-property-sort-order-smacss"
   ],
   "plugins": [
-    "stylelint-csstree-validator",
     "stylelint-order",
     "stylelint-scss"
   ],
@@ -14,13 +13,11 @@
   ],
   "customSyntax": "postcss-scss",
   "rules": {
+    "declaration-property-value-no-unknown": true,
     "alpha-value-notation": null,
     "annotation-no-unknown": null,
     "at-rule-no-unknown": null,
     "color-function-notation": null,
-    "csstree/validator": {
-      "syntaxExtensions": ["sass"]
-    },
     "function-no-unknown": null,
     "import-notation": null,
     "keyframes-name-pattern": null,
diff --git a/package.json b/package.json
index 8930287..3ce52af 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,6 @@
     "postcss-scss": "^4.0.5",
     "stylelint-config-property-sort-order-smacss": "^9.0.0",
     "stylelint-config-standard": "^30.0.0",
-    "stylelint-csstree-validator": "^2.0.0",
     "stylelint-scss": "^4.3.0"
   },
   "devDependencies": {
diff --git a/test/index.js b/test/index.js
index 8bc2b99..03de7ae 100644
--- a/test/index.js
+++ b/test/index.js
@@ -42,13 +42,13 @@ test('order/properties-order (stylelint-config-property-sort-order-smacss)', asy
   assert.strictEqual(output.results[0].warnings[0].text.trim(), 'Expected "top" to come before "color" in group "box" (order/properties-order)')
 })
 
-test('csstree/validator (stylelint-csstree-validator)', async () => {
+test('declaration-property-value-no-unknown', async () => {
   const output = await stylelint.lint({
     code: 'a { max-width: auto; }\n',
     config,
   })
   assert.strictEqual(output.results[0].warnings.length, 1)
-  assert.strictEqual(output.results[0].warnings[0].text.trim(), 'Invalid value for "max-width" (csstree/validator)')
+  assert.strictEqual(output.results[0].warnings[0].text.trim(), 'Unexpected unknown value "auto" for property "max-width" (declaration-property-value-no-unknown)')
 })
 
 test('scss/no-duplicate-dollar-variables (stylelint-scss)', async () => {
diff --git a/yarn.lock b/yarn.lock
index 78937e2..f72815c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -961,9 +961,9 @@ source-map-js@^1.0.1, source-map-js@^1.0.2:
   integrity sha512-R0XvVJ9WusLiqTCEiGCmICCMplcCkIwwR11mOSD9CR5u+IXYdiseeEuXCVAjS54zqwkLcPNnmU4OeJ6tUrWhDw==
 
 spdx-correct@^3.0.0:
-  version "3.1.1"
-  resolved "https://registry.yarnpkg.com/spdx-correct/-/spdx-correct-3.1.1.tgz#dece81ac9c1e6713e5f7d1b6f17d468fa53d89a9"
-  integrity sha512-cOYcUWwhCuHCXi49RhFRCyJEK3iPj1Ziz9DpViV3tbZOwXD49QzIN3MpOLJNxh2qwq2lJJZaKMVw9qNi4jTC0w==
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/spdx-correct/-/spdx-correct-3.2.0.tgz#4f5ab0668f0059e34f9c00dce331784a12de4e9c"
+  integrity sha512-kN9dJbvnySHULIluDHy32WHRUu3Og7B9sbY7tsFLctQkIqnMh3hErYgdMjTYuqmcXX+lK5T1lnUt3G7zNswmZA==
   dependencies:
     spdx-expression-parse "^3.0.0"
     spdx-license-ids "^3.0.0"
@@ -1034,13 +1034,6 @@ stylelint-config-standard@^30.0.0:
   dependencies:
     stylelint-config-recommended "^10.0.1"
 
-stylelint-csstree-validator@^2.0.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/stylelint-csstree-validator/-/stylelint-csstree-validator-2.1.0.tgz#1170a0b769ce52149a9047b2d0a6b1a5d085a3dc"
-  integrity sha512-FKUMEz/iicwkOsY+ohstjlD9dj3qFdAVcw/oVwBDJwToUpwAh/GkvV5FXUd60DoAzn19s1TPsvUuGPbzDo0ZMw==
-  dependencies:
-    css-tree "^2.3.1"
-
 stylelint-order@^6.0.2:
   version "6.0.2"
   resolved "https://registry.yarnpkg.com/stylelint-order/-/stylelint-order-6.0.2.tgz#df54d3ed9aa5a45d4563ada0375e670140a798c2"