diff --git a/package.json b/package.json
index 9fb49c5..09141fa 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
     "node-eval": "1.0.4"
   },
   "devDependencies": {
-    "ava": "^0.17.0",
+    "ava": "^0.18.0",
     "coveralls": "^2.11.9",
     "eslint": "^3.0.0",
     "eslint-config-pedant": "^0.8.0",