diff --git a/.travis.yml b/.travis.yml
index dfa9eff..4d8796e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,7 +7,7 @@ python:
   - "3.7-dev"
 
 script:
-  - sudo add-apt-repository ppa:jonathonf/backports
+  - sudo add-apt-repository ppa:jonathonf/backports -y
   - sudo apt-get update && sudo apt-get install sqlite3
   - pip install -U pip wheel
   - pip install .[test]