diff --git a/package.json b/package.json
index 2fc04a7..8aa5865 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
     "tlds": "^1.110.0"
   },
   "devDependencies": {
-    "ava": "^0.19.1",
+    "ava": "^0.21.0",
     "babel-cli": "^6.7.5",
     "babel-plugin-add-module-exports": "^0.2.1",
     "babel-preset-es2015": "^6.6.0",