diff --git a/package.json b/package.json
index cc6831f..1046418 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
     "assume": "~1.5.0",
     "binary-pack": "~1.0.2",
     "istanbul": "~0.4.5",
-    "mocha": "~5.0.0",
+    "mocha": "~5.0.3",
     "pre-commit": "~1.2.0",
     "primus": "~7.1.0",
     "ws": "~5.0.0"