diff --git a/README.md b/README.md
index b82b415..e5750f8 100644
--- a/README.md
+++ b/README.md
@@ -211,6 +211,7 @@ console.log(Object.keys(sorted))
 - [node-pre-gyp](https://github.com/mapbox/node-pre-gyp)
 - [npm-package-json-lint](https://npmpackagejsonlint.org/)
 - [oclif](https://oclif.io/)
+- [pnpm](https://pnpm.io/)
 - [Prettier](https://prettier.io/)
 - [remark](https://remark.js.org/)
 - [semantic-release](https://github.com/semantic-release/semantic-release)
@@ -409,6 +410,7 @@ The default order is exported as a `sortOrder` object.
 1. `galleryBanner`
 1. `preview`
 1. `markdown`
+1. `pnpm`
 
 </details>
 
diff --git a/defaultRules.md b/defaultRules.md
index 234be5d..970a7df 100644
--- a/defaultRules.md
+++ b/defaultRules.md
@@ -106,6 +106,7 @@ _Note: when a specific key order is used, any other keys will be sorted in the e
 | galleryBanner         | Key sort                                                                       |
 | preview               |                                                                                |
 | markdown              |                                                                                |
+| pnpm                  | Key sort (deep)                                                                |
 
 ## Special Rules
 
diff --git a/index.js b/index.js
index 0aa2a9f..2558022 100755
--- a/index.js
+++ b/index.js
@@ -312,6 +312,7 @@ const fields = [
   /* vscode */ { key: 'galleryBanner', over: sortObject },
   /* vscode */ { key: 'preview' },
   /* vscode */ { key: 'markdown' },
+  { key: 'pnpm', over: sortObjectBy(undefined, true) },
 ]
 
 const defaultSortOrder = fields.map(({ key }) => key)
diff --git a/tests/fields.js b/tests/fields.js
index c9d569f..bc6bc1b 100644
--- a/tests/fields.js
+++ b/tests/fields.js
@@ -258,3 +258,57 @@ test('badges', (t) => {
     'Should sort `badges[]`',
   )
 })
+
+test('pnpm', macro.sortObject, {
+  path: 'pnpm',
+  value: {
+    overrides: {
+      'aws-sdk@1.2345.0': '1.123.0',
+      'react-native-notifications@^3.4.5': '3.4.5',
+      'antd@^2.23.4': '2.23.4',
+    },
+    patchedDependencies: {
+      'esbuild-sass-plugin@1.20.0': 'foo.patch',
+      'domino@4.5.6': 'bar.patch',
+      'es5-ext@0.12.3': 'baz.patch',
+    },
+    packageExtensions: {
+      '@rjsf/core': {
+        dependencies: {
+          tslib: '*',
+        },
+      },
+      'follow-redirects': {
+        dependencies: {
+          debug: '4.3.4',
+        },
+      },
+    },
+    allowNonAppliedPatches: true,
+  },
+  expect: {
+    allowNonAppliedPatches: true,
+    overrides: {
+      'antd@^2.23.4': '2.23.4',
+      'aws-sdk@1.2345.0': '1.123.0',
+      'react-native-notifications@^3.4.5': '3.4.5',
+    },
+    packageExtensions: {
+      '@rjsf/core': {
+        dependencies: {
+          tslib: '*',
+        },
+      },
+      'follow-redirects': {
+        dependencies: {
+          debug: '4.3.4',
+        },
+      },
+    },
+    patchedDependencies: {
+      'domino@4.5.6': 'bar.patch',
+      'es5-ext@0.12.3': 'baz.patch',
+      'esbuild-sass-plugin@1.20.0': 'foo.patch',
+    },
+  },
+})
diff --git a/tests/snapshots/cli.js.snap b/tests/snapshots/cli.js.snap
index 0433670..87200f1 100644
Binary files a/tests/snapshots/cli.js.snap and b/tests/snapshots/cli.js.snap differ
diff --git a/tests/snapshots/deps.js.snap b/tests/snapshots/deps.js.snap
index 366d861..4d621cf 100644
Binary files a/tests/snapshots/deps.js.snap and b/tests/snapshots/deps.js.snap differ
diff --git a/tests/snapshots/eslint.js.snap b/tests/snapshots/eslint.js.snap
index 4ecd658..4d7a898 100644
Binary files a/tests/snapshots/eslint.js.snap and b/tests/snapshots/eslint.js.snap differ
diff --git a/tests/snapshots/fields.js.snap b/tests/snapshots/fields.js.snap
index 1f4b8d8..7c58082 100644
Binary files a/tests/snapshots/fields.js.snap and b/tests/snapshots/fields.js.snap differ
diff --git a/tests/snapshots/main.js.md b/tests/snapshots/main.js.md
index d9dd5e1..5174023 100644
--- a/tests/snapshots/main.js.md
+++ b/tests/snapshots/main.js.md
@@ -84,6 +84,7 @@ Generated by [AVA](https://avajs.dev).
         "packageManager": "packageManager",␊
         "peerDependencies": "peerDependencies",␊
         "peerDependenciesMeta": "peerDependenciesMeta",␊
+        "pnpm": "pnpm",␊
         "pre-commit": "pre-commit",␊
         "preferGlobal": "preferGlobal",␊
         "prettier": "prettier",␊
@@ -222,7 +223,8 @@ Generated by [AVA](https://avajs.dev).
         "badges": "badges",␊
         "galleryBanner": "galleryBanner",␊
         "preview": "preview",␊
-        "markdown": "markdown"␊
+        "markdown": "markdown",␊
+        "pnpm": "pnpm"␊
       }`,
       pretty: true,
     }
diff --git a/tests/snapshots/main.js.snap b/tests/snapshots/main.js.snap
index 59217ec..99888a0 100644
Binary files a/tests/snapshots/main.js.snap and b/tests/snapshots/main.js.snap differ
diff --git a/tests/snapshots/prettier.js.snap b/tests/snapshots/prettier.js.snap
index 7ae48bc..4561efa 100644
Binary files a/tests/snapshots/prettier.js.snap and b/tests/snapshots/prettier.js.snap differ