diff --git a/.travis.yml b/.travis.yml
index ba6aef510229036cc51494629c7692bb75ee1adb..9608838164466cfda44313c7179aabc6fc0a96d1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,4 +1,6 @@
-sudo: true
+sudo: required
+dist: trusty
+
 language: cpp
 
 addons: