diff --git a/package-lock.json b/package-lock.json
index be8a74b..3c76053 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1570,9 +1570,9 @@
       }
     },
     "mocha": {
-      "version": "4.0.1",
-      "resolved": "https://registry.npmjs.org/mocha/-/mocha-4.0.1.tgz",
-      "integrity": "sha512-evDmhkoA+cBNiQQQdSKZa2b9+W2mpLoj50367lhy+Klnx9OV8XlCIhigUnn1gaTFLQCa0kdNhEGDr0hCXOQFDw==",
+      "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 04c508b..d3358d8 100644
--- a/package.json
+++ b/package.json
@@ -29,6 +29,6 @@
     "babel-preset-es2015": "6.24.1",
     "babel-preset-stage-0": "6.24.1",
     "babel-polyfill": "6.26.0",
-    "mocha": "4.0.1"
+    "mocha": "5.0.0"
   }
 }