diff --git a/.travis.yml b/.travis.yml
index c9eb15a277..22f86fc7d2 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -85,9 +85,11 @@ cache:
     - $HOME/runkit
 # Install APT packages
 #  - git > 2.5.1 needed for worktrees
+#  - mysql server does not seem to be always present on Travis Trusty environment
 addons:
   apt:
     packages:
     - git
+    - mysql-server-5.6
     sources:
     - git-core