diff --git a/package.json b/package.json
index 08936304..6bab6156 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,6 @@
 {
   "name": "@shelf/jest-mongodb",
-  "version": "4.2.0",
-  "private": false,
+  "version": "4.3.0",
   "description": "Run your tests using Jest & MongoDB in Memory server",
   "keywords": [
     "jest",
@@ -63,6 +62,7 @@
     "eslint": "8.53.0",
     "husky": "8.0.3",
     "jest": "29.7.0",
+    "jest-environment-node": "29.6.4",
     "lint-staged": "13.3.0",
     "mongodb": "6.3.0",
     "prettier": "2.8.8",
diff --git a/src/environment.ts b/src/environment.ts
index 5271f4d2..b6d7dd6e 100644
--- a/src/environment.ts
+++ b/src/environment.ts
@@ -10,18 +10,18 @@ import {getMongodbMemoryOptions} from './helpers';
 // eslint-disable-next-line import/order
 const debug = require('debug')('jest-mongodb:environment');
 
-const options = getMongodbMemoryOptions();
-const isReplSet = Boolean(options.replSet);
-
-debug(`isReplSet`, isReplSet);
-
-const mongo = isReplSet ? new MongoMemoryReplSet(options) : new MongoMemoryServer(options);
-
 module.exports = class MongoEnvironment extends TestEnvironment {
   globalConfigPath: string;
+  mongo: MongoMemoryReplSet | MongoMemoryServer;
   constructor(config: JestEnvironmentConfig, context: EnvironmentContext) {
     super(config, context);
     this.globalConfigPath = pathJoin(config.globalConfig.rootDir, 'globalConfig.json');
+
+    const options = getMongodbMemoryOptions(config.globalConfig.rootDir);
+    const isReplSet = Boolean(options.replSet);
+    debug(`isReplSet`, isReplSet);
+
+    this.mongo = isReplSet ? new MongoMemoryReplSet(options) : new MongoMemoryServer(options);
   }
 
   async setup() {
@@ -32,9 +32,9 @@ module.exports = class MongoEnvironment extends TestEnvironment {
     if (globalConfig.mongoUri) {
       this.global.__MONGO_URI__ = globalConfig.mongoUri;
     } else {
-      await mongo.start();
+      await this.mongo.start();
 
-      this.global.__MONGO_URI__ = mongo.getUri();
+      this.global.__MONGO_URI__ = this.mongo.getUri();
     }
 
     this.global.__MONGO_DB_NAME__ = globalConfig.mongoDBName || randomUUID();
@@ -45,7 +45,7 @@ module.exports = class MongoEnvironment extends TestEnvironment {
   async teardown() {
     debug('Teardown MongoDB Test Environment');
 
-    await mongo.stop();
+    await this.mongo.stop();
 
     await super.teardown();
   }
diff --git a/src/helpers.ts b/src/helpers.ts
index 011b74a6..09004ba0 100644
--- a/src/helpers.ts
+++ b/src/helpers.ts
@@ -1,9 +1,8 @@
 import {resolve} from 'path';
 
-const cwd = process.cwd();
 const configFile = process.env.MONGO_MEMORY_SERVER_FILE || 'jest-mongodb-config.js';
 
-export function getMongodbMemoryOptions() {
+export function getMongodbMemoryOptions(cwd: string) {
   try {
     const {mongodbMemoryServerOptions} = require(resolve(cwd, configFile));
 
@@ -19,7 +18,7 @@ export function getMongodbMemoryOptions() {
   }
 }
 
-export function getMongoURLEnvName() {
+export function getMongoURLEnvName(cwd: string) {
   try {
     const {mongoURLEnvName} = require(resolve(cwd, configFile));
 
@@ -29,7 +28,7 @@ export function getMongoURLEnvName() {
   }
 }
 
-export function shouldUseSharedDBForAllJestWorkers() {
+export function shouldUseSharedDBForAllJestWorkers(cwd: string) {
   try {
     const {useSharedDBForAllJestWorkers} = require(resolve(cwd, configFile));
 
diff --git a/src/setup.ts b/src/setup.ts
index 95928bf8..67b6b64d 100644
--- a/src/setup.ts
+++ b/src/setup.ts
@@ -11,31 +11,34 @@ import {
 } from './helpers';
 
 const debug = require('debug')('jest-mongodb:setup');
-const mongoMemoryServerOptions = getMongodbMemoryOptions();
-const isReplSet = Boolean(mongoMemoryServerOptions.replSet);
-
-debug(`isReplSet ${isReplSet}`);
-
-// @ts-ignore
-const mongo: Mongo = isReplSet
-  ? new MongoMemoryReplSet(mongoMemoryServerOptions)
-  : new MongoMemoryServer(mongoMemoryServerOptions);
 
 module.exports = async (config: JestEnvironmentConfig['globalConfig']) => {
   const globalConfigPath = join(config.rootDir, 'globalConfig.json');
 
-  const options = getMongodbMemoryOptions();
+  const mongoMemoryServerOptions = getMongodbMemoryOptions(config.rootDir);
+  const isReplSet = Boolean(mongoMemoryServerOptions.replSet);
+
+  debug(`isReplSet ${isReplSet}`);
+
+  // @ts-ignore
+  const mongo: Mongo = isReplSet
+    ? new MongoMemoryReplSet(mongoMemoryServerOptions)
+    : new MongoMemoryServer(mongoMemoryServerOptions);
+
+  const options = getMongodbMemoryOptions(config.rootDir);
   const mongoConfig: {mongoUri?: string; mongoDBName?: string} = {};
 
-  debug(`shouldUseSharedDBForAllJestWorkers: ${shouldUseSharedDBForAllJestWorkers()}`);
+  debug(
+    `shouldUseSharedDBForAllJestWorkers: ${shouldUseSharedDBForAllJestWorkers(config.rootDir)}`
+  );
 
   // if we run one mongodb instance for all tests
-  if (shouldUseSharedDBForAllJestWorkers()) {
+  if (shouldUseSharedDBForAllJestWorkers(config.rootDir)) {
     if (!mongo.isRunning) {
       await mongo.start();
     }
 
-    const mongoURLEnvName = getMongoURLEnvName();
+    const mongoURLEnvName = getMongoURLEnvName(config.rootDir);
 
     mongoConfig.mongoUri = await mongo.getUri();