diff --git a/package.json b/package.json
index a457704..cb1ace8 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
   },
   "devDependencies": {
     "@aureooms/js-itertools": "^3.1.0",
-    "ava": "^0.19.1",
+    "ava": "^0.20.0",
     "babel-cli": "^6.18.0",
     "babel-polyfill": "^6.16.0",
     "babel-preset-latest": "^6.16.0",