diff --git a/package.json b/package.json
index 5307e2a..a2bf9af 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
     "eslint": "^4.1.0",
     "istanbul": "^1.0.0-alpha.2",
     "jison": "^0.4.15",
-    "mocha": "^4.0.1",
+    "mocha": "^5.0.0",
     "semantic-release": "^11.0.2",
     "should": "^13.1.0"
   },