diff --git a/.travis.yml b/.travis.yml
index 7643f25..94ee6cd 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,6 +8,7 @@ python:
 before_install:
   - sudo apt-get -qq update
   - sudo apt-get install -y task
+  - sudo apt-get install dbus
 install:
   - pip install i3ipc
   - pip install psutil