diff --git a/package-lock.json b/package-lock.json
index 4323ba1..03fa8f3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1435,9 +1435,9 @@
       }
     },
     "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 edd959a..a73377f 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
     "coveralls": "^3.0.0",
     "eslint": "^4.15.0",
     "istanbul": "^0.4.5",
-    "mocha": "^4.1.0",
+    "mocha": "^5.0.0",
     "mocha-lcov-reporter": "^1.3.0",
     "should": "^13.2.1"
   },