diff --git a/package.json b/package.json
index 36421505d..d250aacb1 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     "upgrade": "yarn upgrade --latest && yarn remove d3 && yarn add d3@3.5.17",
     "lint": "standard",
     "karma": "node -r babel-register node_modules/.bin/karma start karma.conf.js --single-run",
-    "jest": "jest --coverage",
+    "jest": "jest --coverage --runInBand",
     "test": "yarn lint && yarn jest && yarn karma",
     "jison": "gulp jison",
     "prepublishOnly": "yarn build && yarn release && yarn test"