diff --git a/package-lock.json b/package-lock.json
index ce810d7e7..9006daf35 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3780,9 +3780,9 @@
       }
     },
     "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 7fecfce6a..5bb6a2616 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "@types/mongodb": "3.0.5",
     "assert-rejects": "0.1.1",
     "jscpd": "0.6.17",
-    "mocha": "4.1.0",
+    "mocha": "5.0.0",
     "nyc": "11.4.1",
     "power-assert": "1.4.4",
     "rimraf": "2.6.2"