diff --git a/__tests__/generate.test.js b/__tests__/generate.test.js
index 8bec942..6988b07 100644
--- a/__tests__/generate.test.js
+++ b/__tests__/generate.test.js
@@ -1,12 +1,14 @@
 /** @format */
 
-const generate = require('../generate');
+const proxyquire = require('proxyquire');
 
-jest.mock('css-property-sort-order-smacss', () => ({
-  groupA: [['prop1', 'prop2'], ['prop3']],
-  groupB: ['prop4', 'prop5', 'prop6', 'prop7'],
-  groupC: [['prop8', 'prop9', 'prop10']],
-}));
+const generate = proxyquire.noCallThru().load('../generate', {
+  'css-property-sort-order-smacss': {
+    groupA: [['prop1', 'prop2'], ['prop3']],
+    groupB: ['prop4', 'prop5', 'prop6', 'prop7'],
+    groupC: [['prop8', 'prop9', 'prop10']],
+  },
+});
 
 describe('generate options', () => {
   it('should correctly group properties', () => {
diff --git a/jest.config.js b/jest.config.js
index fbc7828..1687a1e 100644
--- a/jest.config.js
+++ b/jest.config.js
@@ -1,6 +1,7 @@
 /** @format */
 
 module.exports = {
+  runner: 'jest-light-runner',
   cacheDirectory: '/tmp/jest/',
   collectCoverage: true,
   coverageDirectory: 'coverage',
diff --git a/package.json b/package.json
index c3b0dd8..7ae8f51 100644
--- a/package.json
+++ b/package.json
@@ -47,7 +47,9 @@
     "eslint-config-prettier": "^9.0.0",
     "eslint-plugin-import": "^2.25.2",
     "jest": "^29.0.1",
+    "jest-light-runner": "^0.6.0",
     "prettier": "^3.0.0",
+    "proxyquire": "^2.0.0",
     "stylelint": "^14.0.0 || ^15.0.0 || ^16.0.0"
   },
   "peerDependencies": {