diff --git a/package.json b/package.json
index 7eaeeeb..70101f6 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
   },
   "homepage": "https://github.com/micnews/immutable-object-methods#readme",
   "devDependencies": {
-    "ava": "^0.16.0",
+    "ava": "^0.18.1",
     "babel-cli": "^6.8.0",
     "babel-core": "^6.8.0",
     "babel-preset-es2015": "^6.6.0",