diff --git a/package.json b/package.json
index 0c652a8..e103695 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     "duplexify": "^4.0.0"
   },
   "devDependencies": {
-    "mocha": "~5.2.0"
+    "mocha": "~6.0.0"
   },
   "repository": {
     "type": "git",