diff --git a/package.json b/package.json
index 1a985bc..7665575 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
     "url": "git@github.com:revin/innertext.git"
   },
   "devDependencies": {
-    "mocha": "^4.0.0"
+    "mocha": "^5.0.3"
   },
   "keywords": [
     "html",