diff --git a/package.json b/package.json
index c85b16f..7de6f3e 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
     ]
   },
   "devDependencies": {
-    "ava": "^0.20.0",
+    "ava": "^0.21.0",
     "babel-cli": "^6.22.2",
     "babel-eslint": "^7.1.1",
     "babel-loader": "^7.0.0",