diff --git a/.travis.yml b/.travis.yml
index 0e99add..5832265 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,12 +1,22 @@
 sudo: false
 
+env:
+  - CXX=g++-4.8
+addons:
+  apt:
+    sources:
+      - ubuntu-toolchain-r-test
+    packages:
+      - g++-4.8
+
 language: node_js
 
 node_js:
   - "0.8"
   - "0.10"
   - "0.12"
-  - "iojs"
+  - "iojs-v2.5"
+  - "iojs-v3"
 
 install:
   - PATH="`npm bin`:`npm bin -g`:$PATH"