diff --git a/package.json b/package.json
index 48959ca..0d33240 100644
--- a/package.json
+++ b/package.json
@@ -61,7 +61,7 @@
     "eslint": "^4.1.0",
     "eslint-plugin-flowtype": "^2.29.2",
     "flow-bin": "^0.54.0",
-    "mocha": "^3.2.0",
+    "mocha": "^3.5.3",
     "nyc": "^11.0.1",
     "postcss": "^6.0.7",
     "postcss-modules": "^0.8.0",