diff --git a/lib/index.js b/lib/index.js
index 9997f32..14fba52 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -10,39 +10,61 @@
 */
 const { parsers } = require('prettier/parser-babylon');
 
-const { dependencies } = require('./rules/dependencies');
+const { custom } = require('./rules/custom');
 const { engines } = require('./rules/engines');
 const { files } = require('./rules/files');
 const { scripts } = require('./rules/scripts');
-const { sort } = require('./rules/sort');
+const { sort: sortProps } = require('./rules/props');
 
 const { 'json-stringify': parser } = parsers;
 const { parse } = parser;
 const rePkg = /package\.json$/;
 
-const format = (properties) => {
-  let props = sort(properties);
+const safe = (json) => {
+  try {
+    return JSON.parse(json);
+  } catch (_) {
+    return null;
+  }
+};
+
+const format = (properties, options) => {
+  let props = sortProps(properties);
   props = engines(props);
   props = files(props);
   props = scripts(props);
-  props = dependencies(props);
+
+  if (options) {
+    const { sort } = safe(options);
+    if (sort) {
+      props = custom(props, sort);
+    }
+  }
 
   return props;
 };
 
 module.exports = {
   name: 'prettier-plugin-package',
+  options: {
+    pluginPackage: {
+      type: 'path',
+      category: 'Plugins',
+      default: '',
+      description: 'Specify options for the package plugin'
+    }
+  },
   parsers: {
     'json-stringify': {
       ...parser,
       parse(...args) {
         const [, , options] = args;
-        const { filepath } = options;
+        const { filepath, pluginPackage } = options;
         const ast = parse(...args);
 
         if (rePkg.test(filepath)) {
           const { properties } = ast;
-          ast.properties = format(properties);
+          ast.properties = format(properties, pluginPackage);
         }
 
         return ast;
diff --git a/lib/rules/custom.js b/lib/rules/custom.js
new file mode 100644
index 0000000..f117bf4
--- /dev/null
+++ b/lib/rules/custom.js
@@ -0,0 +1,37 @@
+/*
+  Copyright © 2019 Andrew Powell
+
+  This Source Code Form is subject to the terms of the Mozilla Public
+  License, v. 2.0. If a copy of the MPL was not distributed with this
+  file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+  The above copyright notice and this permission notice shall be
+  included in all copies or substantial portions of this Source Code Form.
+*/
+
+const alpha = (a, b) => (a.key.value > b.key.value ? 1 : a.key.value < b.key.value ? -1 : 0);
+
+const methods = { alpha };
+
+const process = (props, sort) => {
+  const declaredMethods = Object.keys(sort);
+  let result = props;
+
+  for (const methodName of declaredMethods) {
+    const method = methods[methodName];
+    const propertyNames = sort[methodName];
+
+    if (method) {
+      result = result.map((prop) => {
+        if (propertyNames.includes(prop.key.value)) {
+          prop.value.properties.sort(method);
+        }
+        return prop;
+      });
+    }
+  }
+
+  return result;
+};
+
+module.exports = { custom: process };
diff --git a/lib/rules/dependencies.js b/lib/rules/dependencies.js
deleted file mode 100644
index 61b9488..0000000
--- a/lib/rules/dependencies.js
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
-  Copyright © 2019 Andrew Powell
-
-  This Source Code Form is subject to the terms of the Mozilla Public
-  License, v. 2.0. If a copy of the MPL was not distributed with this
-  file, You can obtain one at http://mozilla.org/MPL/2.0/.
-
-  The above copyright notice and this permission notice shall be
-  included in all copies or substantial portions of this Source Code Form.
-*/
-
-const dependencyNames = [
-  // dependencies
-  'bundledDependencies',
-  'optionalDependencies',
-  'peerDependencies',
-  'dependencies',
-  'devDependencies',
-  'resolutions'
-];
-
-const process = (props) =>
-  props.map((prop) => {
-    if (dependencyNames.includes(prop.key.value)) {
-      prop.value.properties.sort((a, b) =>
-        a.key.value > b.key.value ? 1 : a.key.value < b.key.value ? -1 : 0
-      );
-    }
-    return prop;
-  });
-
-module.exports = { dependencies: process };
diff --git a/lib/rules/sort.js b/lib/rules/sort.js
deleted file mode 100644
index c16a7ec..0000000
--- a/lib/rules/sort.js
+++ /dev/null
@@ -1,74 +0,0 @@
-/*
-  Copyright © 2019 Andrew Powell
-
-  This Source Code Form is subject to the terms of the Mozilla Public
-  License, v. 2.0. If a copy of the MPL was not distributed with this
-  file, You can obtain one at http://mozilla.org/MPL/2.0/.
-
-  The above copyright notice and this permission notice shall be
-  included in all copies or substantial portions of this Source Code Form.
-*/
-const primary = [
-  // meta
-  'name',
-  'version',
-  'flat',
-  'private',
-  'publishConfig',
-  'description',
-  'license',
-  'repository',
-  'author',
-  'homepage',
-  'bugs',
-
-  // entry
-  'main',
-  'bin',
-  'module',
-
-  // constraints
-  'engines',
-  'cpu',
-  'os',
-
-  // content and util
-  'scripts',
-  'files',
-  'keywords',
-
-  // dependencies
-  'bundledDependencies',
-  'optionalDependencies',
-  'peerDependencies',
-  'dependencies',
-  'devDependencies',
-  'resolutions',
-
-  // types
-  'types',
-  'typings'
-];
-
-const sort = (props) => {
-  const unknown = [];
-  const known = props.filter((prop) => {
-    if (primary.includes(prop.key.value)) {
-      return true;
-    }
-    unknown.push(prop);
-    return false;
-  });
-
-  known.sort((a, b) => {
-    const aIndex = primary.indexOf(a.key.value);
-    const bIndex = primary.indexOf(b.key.value);
-
-    return aIndex > bIndex ? 1 : aIndex < bIndex ? -1 : 0;
-  });
-  unknown.sort((a, b) => (a.key.value > b.key.value ? 1 : a.key.value < b.key.value ? -1 : 0));
-
-  return known.concat(unknown);
-};
-
-module.exports = { sort };
diff --git a/package-lock.json b/package-lock.json
index 3a0b6e0..c81c9c9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3133,9 +3133,9 @@
       "dev": true
     },
     "handlebars": {
-      "version": "4.2.0",
-      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.2.0.tgz",
-      "integrity": "sha512-Kb4xn5Qh1cxAKvQnzNWZ512DhABzyFNmsaJf3OAkWNa4NkaqWcNI8Tao8Tasi0/F4JD9oyG0YxuFyvyR57d+Gw==",
+      "version": "4.4.2",
+      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.4.2.tgz",
+      "integrity": "sha512-cIv17+GhL8pHHnRJzGu2wwcthL5sb8uDKBHvZ2Dtu5s1YNt0ljbzKbamnc+gr69y7bzwQiBdr5+hOpRd5pnOdg==",
       "dev": true,
       "requires": {
         "neo-async": "^2.6.0",
diff --git a/package.json b/package.json
index 0522bec..56675fb 100644
--- a/package.json
+++ b/package.json
@@ -46,7 +46,7 @@
     "eslint-config-shellscape": "^2.0.2",
     "execa": "^2.0.3",
     "lint-staged": "^9.2.0",
-    "nyc": "^14.1.0",
+    "nyc": "^14.1.1",
     "pre-commit": "^1.2.2",
     "prettier": "^1.18.2"
   },
diff --git a/test/custom.js b/test/custom.js
new file mode 100644
index 0000000..16e7571
--- /dev/null
+++ b/test/custom.js
@@ -0,0 +1,28 @@
+const test = require('ava');
+const prettier = require('prettier');
+
+test('default', (t) => {
+  const options = {
+    filepath: 'package.json',
+    parser: 'json-stringify',
+    plugins: ['.'],
+    pluginPackage: JSON.stringify({
+      sort: {
+        alpha: ['dependencies']
+      }
+    })
+  };
+  const fixture = {
+    dependencies: {
+      nyc: '^14.1.0',
+      'eslint-config-shellscape': '^2.0.2',
+      ava: '^2.2.0',
+      execa: '^2.0.3'
+    }
+  };
+
+  const input = JSON.stringify(fixture, null, 2);
+  const output = prettier.format(input, options);
+
+  t.snapshot(output);
+});
diff --git a/test/fixtures/fixture.json b/test/fixtures/fixture.json
index 7df7e7e..01f2c6e 100644
--- a/test/fixtures/fixture.json
+++ b/test/fixtures/fixture.json
@@ -41,12 +41,6 @@
     "prettier": "^1.18.2",
     "eslint-config-shellscape": "^2.0.2"
   },
-  "dependencies": {
-    "nyc": "^14.1.0",
-    "eslint-config-shellscape": "^2.0.2",
-    "ava": "^2.2.0",
-    "execa": "^2.0.3"
-  },
   "typings": "dist/index.d.ts",
   "dependencies": {},
   "devDependencies": {
@@ -60,17 +54,18 @@
     "pre-commit": "^1.2.2",
     "prettier": "^1.18.2"
   },
-  "ava": {
-    "files": [
-      "!**/fixtures/**"
-    ]
-  },
+  "pre-commit": "lint-staged",
   "lint-staged": {
     "*.js": [
       "eslint --fix",
       "git add"
     ]
   },
+  "ava": {
+    "files": [
+      "!**/fixtures/**"
+    ]
+  },
   "nyc": {
     "include": [
       "lib/*.js"
@@ -78,6 +73,5 @@
     "exclude": [
       "test/"
     ]
-  },
-  "pre-commit": "lint-staged"
+  }
 }
diff --git a/test/snapshots/custom.js.md b/test/snapshots/custom.js.md
new file mode 100644
index 0000000..f015e5d
--- /dev/null
+++ b/test/snapshots/custom.js.md
@@ -0,0 +1,19 @@
+# Snapshot report for `test/custom.js`
+
+The actual snapshot is saved in `custom.js.snap`.
+
+Generated by [AVA](https://ava.li).
+
+## default
+
+> Snapshot 1
+
+    `{␊
+      "dependencies": {␊
+        "ava": "^2.2.0",␊
+        "eslint-config-shellscape": "^2.0.2",␊
+        "execa": "^2.0.3",␊
+        "nyc": "^14.1.0"␊
+      }␊
+    }␊
+    `
diff --git a/test/snapshots/custom.js.snap b/test/snapshots/custom.js.snap
new file mode 100644
index 0000000..e7fd47d
Binary files /dev/null and b/test/snapshots/custom.js.snap differ
diff --git a/test/snapshots/test.js.md b/test/snapshots/test.js.md
index a874853..bdb798f 100644
--- a/test/snapshots/test.js.md
+++ b/test/snapshots/test.js.md
@@ -48,18 +48,18 @@ Generated by [AVA](https://ava.li).
         "prettier"␊
       ],␊
       "peerDependencies": {␊
-        "eslint-config-shellscape": "^2.0.2",␊
-        "prettier": "^1.18.2"␊
+        "prettier": "^1.18.2",␊
+        "eslint-config-shellscape": "^2.0.2"␊
       },␊
       "dependencies": {},␊
       "devDependencies": {␊
-        "@commitlint/cli": "^8.1.0",␊
         "@commitlint/config-conventional": "^8.1.0",␊
+        "lint-staged": "^9.2.0",␊
         "ava": "^2.2.0",␊
         "eslint-config-shellscape": "^2.0.2",␊
         "execa": "^2.0.3",␊
-        "lint-staged": "^9.2.0",␊
         "nyc": "^14.1.0",␊
+        "@commitlint/cli": "^8.1.0",␊
         "pre-commit": "^1.2.2",␊
         "prettier": "^1.18.2"␊
       },␊
@@ -131,18 +131,18 @@ Generated by [AVA](https://ava.li).
         "prettier"␊
       ],␊
       "peerDependencies": {␊
-        "eslint-config-shellscape": "^2.0.2",␊
-        "prettier": "^1.18.2"␊
+        "prettier": "^1.18.2",␊
+        "eslint-config-shellscape": "^2.0.2"␊
       },␊
       "dependencies": {},␊
       "devDependencies": {␊
-        "@commitlint/cli": "^8.1.0",␊
         "@commitlint/config-conventional": "^8.1.0",␊
+        "lint-staged": "^9.2.0",␊
         "ava": "^2.2.0",␊
         "eslint-config-shellscape": "^2.0.2",␊
         "execa": "^2.0.3",␊
-        "lint-staged": "^9.2.0",␊
         "nyc": "^14.1.0",␊
+        "@commitlint/cli": "^8.1.0",␊
         "pre-commit": "^1.2.2",␊
         "prettier": "^1.18.2"␊
       },␊
diff --git a/test/snapshots/test.js.snap b/test/snapshots/test.js.snap
index afac647..1fd1288 100644
Binary files a/test/snapshots/test.js.snap and b/test/snapshots/test.js.snap differ