diff --git a/package.json b/package.json
index 5d5020f61d10..2e7e4c282445 100644
--- a/package.json
+++ b/package.json
@@ -163,7 +163,7 @@
     "@types/selenium-webdriver": "^3.0.17",
     "@types/semver": "^7.3.4",
     "@types/send": "^0.14.5",
-    "@types/stylelint": "^9.10.1",
+    "@types/stylelint": "^13.13.2",
     "@types/yaml": "^1.9.7",
     "autoprefixer": "^10.2.5",
     "browser-sync": "2.26.13",
diff --git a/tools/stylelint/no-unused-import.ts b/tools/stylelint/no-unused-import.ts
index a1873731868c..6c13f185dfc8 100644
--- a/tools/stylelint/no-unused-import.ts
+++ b/tools/stylelint/no-unused-import.ts
@@ -1,6 +1,6 @@
 import {createPlugin, Plugin, utils} from 'stylelint';
 import {basename, join} from 'path';
-import {Result, Root} from './stylelint-postcss-types';
+import {Result, Root} from 'postcss';
 
 const ruleName = 'material/no-unused-import';
 const messages = utils.ruleMessages(ruleName, {
@@ -25,20 +25,22 @@ const factory = (isEnabled: boolean, _options: never, context: {fix: boolean}) =
         // Flag namespaces we didn't manage to parse so that we can fix the parsing logic.
         if (!namespace) {
           utils.report({
-            result,
+            // We need these `as any` casts, because Stylelint uses an older version
+            // of the postcss typings that don't match up with our anymore.
+            result: result as any,
             ruleName,
             message: messages.invalid(rule.params),
-            node: rule
+            node: rule as any
           });
         } else if (!fileContent.includes(namespace + '.')) {
           if (context.fix) {
             rule.remove();
           } else {
             utils.report({
-              result,
+              result: result as any,
               ruleName,
               message: messages.expected(namespace),
-              node: rule
+              node: rule as any
             });
           }
         }
diff --git a/tools/stylelint/stylelint-postcss-types.ts b/tools/stylelint/stylelint-postcss-types.ts
deleted file mode 100644
index 94a7b625a144..000000000000
--- a/tools/stylelint/stylelint-postcss-types.ts
+++ /dev/null
@@ -1,14 +0,0 @@
-// `@types/postcss` is locked into an older version of `postcss` whose types no longer align with
-// the latest ones on npm. This file re-exports the versions that are compatible with Stylelint so
-// that we can use them in our custom rules.
-// This file can be removed when `@types/postcss` has been updated or when `stylelint` starts to
-// publish their type declarations. See https://github.com/stylelint/stylelint/issues/4399.
-export {
-  AtRule,
-  atRule,
-  decl,
-  Declaration,
-  Node,
-  Result,
-  Root
-} from 'stylelint/node_modules/postcss';
diff --git a/tools/stylelint/theme-mixin-api.ts b/tools/stylelint/theme-mixin-api.ts
index ff529af18f13..5316dbf0030f 100644
--- a/tools/stylelint/theme-mixin-api.ts
+++ b/tools/stylelint/theme-mixin-api.ts
@@ -8,7 +8,7 @@ import {
   Node,
   Result,
   Root
-} from './stylelint-postcss-types';
+} from 'postcss';
 
 /** Name of this stylelint rule. */
 const ruleName = 'material/theme-mixin-api';
@@ -198,7 +198,9 @@ const plugin = (isEnabled: boolean, _options: never, context: {fix: boolean}) =>
     }
 
     function reportError(node: Node, message: string) {
-      utils.report({result, ruleName, node, message});
+      // We need these `as any` casts, because Stylelint uses an older version
+      // of the postcss typings that don't match up with our anymore.
+      utils.report({result: result as any, ruleName, node: node as any, message});
     }
   };
 };
@@ -229,4 +231,4 @@ function stripNewlinesAndIndentation(value: string): string {
 
 // Note: We need to cast the value explicitly to `Plugin` because the stylelint types
 // do not type the context parameter. https://stylelint.io/developer-guide/rules#add-autofix
-module.exports = createPlugin(ruleName, plugin as Plugin);
+module.exports = createPlugin(ruleName, plugin as unknown as Plugin);
diff --git a/yarn.lock b/yarn.lock
index a1f86406f349..317f7b14c0ec 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2252,11 +2252,12 @@
     "@types/glob" "*"
     "@types/node" "*"
 
-"@types/stylelint@^9.10.1":
-  version "9.10.1"
-  resolved "https://registry.yarnpkg.com/@types/stylelint/-/stylelint-9.10.1.tgz#211832381e43fd0774217b59f02ab389d82643ea"
-  integrity sha512-au+n/CjGixNopJmh51GeZSkqf/ahwOBkzcvizHPe3flfwWag0T+/L7uHD0Hjx7ZhmXGFSEwOCqEybD4domcyRw==
+"@types/stylelint@^13.13.2":
+  version "13.13.2"
+  resolved "https://registry.yarnpkg.com/@types/stylelint/-/stylelint-13.13.2.tgz#7a8a99bdbe19187b973a290dd3f821cfe5caff6e"
+  integrity sha512-5Yt1LQenR7uk+efCydQmN7ubOtO2qJ8Z9K/qqnlW87X1zkIQ8RkMCZbaOgZj/aBrR/h5Q738mJU6CYhXOj9sEg==
   dependencies:
+    globby "11.x.x"
     postcss "7.x.x"
 
 "@types/through@*":
@@ -6982,7 +6983,7 @@ globalthis@^1.0.1:
   dependencies:
     define-properties "^1.1.3"
 
-globby@^11.0.3:
+globby@11.x.x, globby@^11.0.3:
   version "11.0.4"
   resolved "https://registry.yarnpkg.com/globby/-/globby-11.0.4.tgz#2cbaff77c2f2a62e71e9b2813a67b97a3a3001a5"
   integrity sha512-9O4MVG9ioZJ08ffbcyVYyLOJLk5JQ688pJ4eMGLpdWLHq/Wr1D9BlriLQyL0E+jbkuePVZXYFj47QM/v093wHg==