diff --git a/package.json b/package.json
index 60cd716..706eaa0 100644
--- a/package.json
+++ b/package.json
@@ -46,7 +46,7 @@
     "require-path": "^0.3.0"
   },
   "devDependencies": {
-    "ava": "^0.18.0",
+    "ava": "^4.3.1",
     "babel-preset-es2015-node6": "^0.4.0",
     "coveralls": "^2.11.15",
     "eslint": "^3.14.1",