diff --git a/package.json b/package.json
index 417779d..73eef14 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
     "benchmark": "^2.1.4",
     "chai": "^4.2.0",
     "codecov": "^3.0.4",
-    "mocha": "^5.2.0",
+    "mocha": "^6.1.2",
     "nyc": "^13.1.0",
     "ts-node": "^7.0.1",
     "tslint": "^5.11.0",