diff --git a/frontend/package.json b/frontend/package.json
index 5b13205..c787fdb 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -17,7 +17,7 @@
     "@vue/cli-plugin-babel": "^3.0.0-rc.3",
     "@vue/cli-plugin-e2e-cypress": "^3.0.0-rc.3",
     "@vue/cli-plugin-eslint": "^3.0.0-rc.3",
-    "@vue/cli-plugin-unit-mocha": "^3.0.0-rc.3",
+    "@vue/cli-plugin-unit-mocha": "^4.5.4",
     "@vue/cli-service": "^3.0.0-rc.3",
     "@vue/eslint-config-standard": "^3.0.0-rc.3",
     "@vue/test-utils": "^1.0.0-beta.20",