diff --git a/.travis.yml b/.travis.yml
index 5f3afd0..1ce064b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,8 +8,8 @@ cache:
 addons:
   apt:
     packages:
-    - g++-4.8
-    - gcc-4.8
+    - g++-4.9
+    - gcc-4.9
     sources:
     - ubuntu-toolchain-r-test