diff --git a/.travis.yml b/.travis.yml
index 27c93bc..6c59666 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,6 +10,10 @@ os:
   - linux
   - osx
 osx_image: xcode8.2
+addons:
+  apt:
+    packages:
+      - libunwind8
 branches:
   only:
     - master