diff --git a/package.json b/package.json
index 1651de6..ca5a616 100644
--- a/package.json
+++ b/package.json
@@ -72,7 +72,7 @@
     "generateNotes": "github-post-release"
   },
   "devDependencies": {
-    "@types/mocha": "2.2.48",
+    "@types/mocha": "5.2.0",
     "@types/node": "9.6.5",
     "ban-sensitive-files": "1.9.2",
     "dependency-check": "2.10.1",
@@ -80,7 +80,7 @@
     "git-issues": "1.3.1",
     "github-post-release": "1.13.1",
     "license-checker": "15.0.0",
-    "mocha": "4.1.0",
+    "mocha": "5.1.1",
     "nsp": "3.2.1",
     "pre-git": "3.17.1",
     "prettier-standard": "8.0.1",