diff --git a/package.json b/package.json
index 1c08f65..2154356 100644
--- a/package.json
+++ b/package.json
@@ -46,7 +46,7 @@
     "cross-env": "^5.1.3",
     "dotenv": "^4.0.0",
     "memory-fs": "^0.4.1",
-    "mocha": "^4.1.0",
+    "mocha": "^5.0.0",
     "npm-install-version": "^6.0.2",
     "npm-run-all": "^4.0.2",
     "nyc": "^11.4.1",
diff --git a/yarn.lock b/yarn.lock
index 3ba0f37..f056508 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2803,9 +2803,9 @@ mkdirp@0.5.1, "mkdirp@>=0.5 0", mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@~0.5.0, mkd
   dependencies:
     minimist "0.0.8"
 
-mocha@^4.1.0:
-  version "4.1.0"
-  resolved "https://registry.yarnpkg.com/mocha/-/mocha-4.1.0.tgz#7d86cfbcf35cb829e2754c32e17355ec05338794"
+mocha@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/mocha/-/mocha-5.0.0.tgz#cccac988b0bc5477119cba0e43de7af6d6ad8f4e"
   dependencies:
     browser-stdout "1.3.0"
     commander "2.11.0"