diff --git a/package.json b/package.json
index 8d56552..b32b2d3 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
     "lodash": "^4.13.1"
   },
   "devDependencies": {
-    "ava": "^0.15.2",
+    "ava": "^0.18.0",
     "coveralls": "^2.11.9",
     "eslint": "^2.12.0",
     "eslint-config-punchcard": "^1.0.1",