diff --git a/package.json b/package.json
index 87f6193..5457fa1 100644
--- a/package.json
+++ b/package.json
@@ -55,7 +55,7 @@
   },
   "homepage": "https://github.com/BerkeleyTrue/redux-epic#readme",
   "devDependencies": {
-    "ava": "^0.20.0",
+    "ava": "^0.21.0",
     "babel-cli": "^6.7.7",
     "babel-core": "^6.7.7",
     "babel-eslint": "^7.2.2",