diff --git a/.travis.yml b/.travis.yml
index 7bf605b..fba0a8e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,7 +11,8 @@ addons:
       - libxrandr-dev
       - libxinerama-dev
       - libxcursor-dev
-            
+      - libxi-dev
+      
 matrix:
   include:
     - os: linux