diff --git a/.travis.yml b/.travis.yml
index e311525f..af021e60 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,6 @@
 language: node_js
 node_js:
+- iojs-v1
 - '0.10'
 sudo: false
 cache:
diff --git a/package.json b/package.json
index e0ef76f6..a4263661 100644
--- a/package.json
+++ b/package.json
@@ -31,8 +31,9 @@
     "tape": "^3.5.0"
   },
   "engines": {
-    "node": "^0.10.0",
-    "npm": "^2.0.0"
+    "iojs": "^1",
+    "node": "^0.10",
+    "npm": "^2"
   },
   "homepage": "https://github.com/boennemann/semantic-release",
   "keywords": [