diff --git a/package.json b/package.json
index 6589119..b64c4a5 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "@aureooms/js-itertools": "^3.1.1"
   },
   "devDependencies": {
-    "ava": "0.19.1",
+    "ava": "0.25.0",
     "babel-cli": "6.26.0",
     "babel-polyfill": "6.26.0",
     "babel-preset-latest": "6.24.1",