diff --git a/package-lock.json b/package-lock.json
index e994f3e..89cf6d8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2268,9 +2268,9 @@
       }
     },
     "mocha": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/mocha/-/mocha-4.1.0.tgz",
-      "integrity": "sha512-0RVnjg1HJsXY2YFDoTNzcc1NKhYuXKRrBAG2gDygmJJA136Cs2QlRliZG1mA0ap7cuaT30mw16luAeln+4RiNA==",
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/mocha/-/mocha-5.0.0.tgz",
+      "integrity": "sha512-ukB2dF+u4aeJjc6IGtPNnJXfeby5d4ZqySlIBT0OEyva/DrMjVm5HkQxKnHDLKEfEQBsEnwTg9HHhtPHJdTd8w==",
       "dev": true,
       "requires": {
         "browser-stdout": "1.3.0",
diff --git a/package.json b/package.json
index c2ea18d..8e8f2aa 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
     "husky": "0.14.3",
     "istanbul": "0.4.5",
     "lint-staged": "6.0.0",
-    "mocha": "4.1.0",
+    "mocha": "5.0.0",
     "prettier-standard": "7.0.3"
   },
   "eslintConfig": {