diff --git a/.travis.yml b/.travis.yml
index bf5c97c3..23e5ab4a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,7 +8,7 @@ compiler:
 addons:
   apt:
     sources:
-    - extras-precise
+    - ubuntu-toolchain-r-test
     packages:
     - g++-4.9
     - valgrind