diff --git a/jest.config.js b/jest.config.js
index c1fcf5a..cbdc501 100644
--- a/jest.config.js
+++ b/jest.config.js
@@ -3,12 +3,10 @@ module.exports = {
   coverageDirectory: 'coverage',
   collectCoverageFrom: ['none'], // prevent instrumentation from jest
   transform: {
-    'packages[\\/\\\\].*\\.ts$': '<rootDir>/packages/jestTransform.js',
-  },
-  globals: {
-    'ts-jest': {
-      tsconfig: 'packages/tsconfig.json',
-    },
+    'packages[\\/\\\\].*\\.ts$': [
+      '<rootDir>/packages/jestTransform.js',
+      { tsconfig: 'packages/tsconfig.json' },
+    ],
   },
   testRegex: 'packages[\\/\\\\].*\\.spec\\.ts$',
   moduleFileExtensions: ['ts', 'js'],
diff --git a/packages/jestTransform.js b/packages/jestTransform.js
index 8b8af91..52e28dd 100644
--- a/packages/jestTransform.js
+++ b/packages/jestTransform.js
@@ -2,8 +2,8 @@ const { shouldInstrument, process: instrument } = require('./instrument');
 const { createTransformer } = require('ts-jest').default;
 const { normalize } = require('path');
 
-exports.createTransformer = () => {
-  const tsJestTransformer = createTransformer();
+exports.createTransformer = (...args) => {
+  const tsJestTransformer = createTransformer(...args);
 
   return {
     process(content, filename, jestConfig) {