diff --git a/package.json b/package.json
index 1dda15c..849935e 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
     "jsdom": "9.9.1"
   },
   "devDependencies": {
-    "ava": "^0.17.0",
+    "ava": "^0.18.0",
     "coveralls": "^2.11.13",
     "eslint": "^3.5.0",
     "eslint-config-lukechilds": "^1.9.0",