diff --git a/packages/@vue/cli-plugin-unit-mocha/package.json b/packages/@vue/cli-plugin-unit-mocha/package.json
index 12f6769e21..b726a60e24 100644
--- a/packages/@vue/cli-plugin-unit-mocha/package.json
+++ b/packages/@vue/cli-plugin-unit-mocha/package.json
@@ -24,7 +24,7 @@
     "@vue/cli-shared-utils": "^3.0.0-rc.3",
     "jsdom": "^11.10.0",
     "jsdom-global": "^3.0.2",
-    "mocha": "^5.1.1",
+    "mocha": "^6.2.3",
     "mocha-webpack": "^2.0.0-beta.0"
   },
   "devDependencies": {