diff --git a/package.json b/package.json
index 6b17837..48bb972 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
   },
   "devDependencies": {
     "chai": "4.1.2",
-    "mocha": "5.0.4"
+    "mocha": "6.0.0"
   },
   "keywords": [
     "curl",