diff --git a/jest/runInTempDirectory.js b/jest/runInTempDirectory.js
index c6d025eb3..025361045 100644
--- a/jest/runInTempDirectory.js
+++ b/jest/runInTempDirectory.js
@@ -3,10 +3,10 @@ import path from 'path'
 
 import rimraf from 'rimraf'
 
-const tmpPath = path.resolve(__dirname, '../__tmp')
-
 export default function(callback) {
   return new Promise(resolve => {
+    const workerId = process.env.JEST_WORKER_ID
+    const tmpPath = path.resolve(__dirname, `../__tmp_${workerId}`)
     const currentPath = process.cwd()
 
     rimraf.sync(tmpPath)