diff --git a/package.json b/package.json
index 4f9095d..a3dea6d 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
     "@types/jest": "^24.0.6",
     "@types/node": "^11.9.4",
     "codecov": "^3.0.0",
-    "concurrently": "^4.1.0",
+    "concurrently": "^5.1.0",
     "http-server": "^0.11.1",
     "jest": "^24.1.0",
     "ts-jest": "^24.0.0",