diff --git a/.travis.yml b/.travis.yml
index bdd8d9b..5ddc05a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,5 @@
 install:
-  - sudo apt-add-repository --yes ppa:beineri/opt-qt55
+  - sudo apt-add-repository --yes ppa:beineri/opt-qt551-trusty
   - sudo apt-get update -qq
   - sudo apt-get install -qq qt55base qt55serialport qt55tools
   - which qmake