diff --git a/.travis.yml b/.travis.yml
index 63cf3a3..b7102ac 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,7 +2,7 @@
 # subject to 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)
 #
-# Copyright Antony Polukhin 2014-2015.
+# Copyright Antony Polukhin 2014-2016.
 
 #
 # See https://svn.boost.org/trac/boost/wiki/TravisCoverals for description of this file
@@ -62,6 +62,7 @@ addons:
     - lcov
     - clang
     - libc++-dev
+    - libunwind-dev
 
 before_install:
     # Set this to the name of the library