diff --git a/.travis.yml b/.travis.yml
index ba5e388..30c5434 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,4 +1,4 @@
-# Copyright 2003-2018 Joaquín M López Muñoz.
+# Copyright 2003-2019 Joaquín M López Muñoz.
 # Distributed under the Boost Software License, Version 1.0.
 # (See accompanying file LICENSE_1_0.txt or copy at
 # http://www.boost.org/LICENSE_1_0.txt)
@@ -10,6 +10,8 @@ sudo: false
 language: cpp
 
 os: linux
+
+dist: trusty
     
 branches:
   only: