diff --git a/package.json b/package.json
index 381e168..94d6dd1 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     "sugarss": "^0.2.0"
   },
   "devDependencies": {
-    "ava": "^0.17.0",
+    "ava": "^0.18.1",
     "coveralls": "^2.11.12",
     "nyc": "^10.0.0",
     "rewire": "^2.5.2",