diff --git a/.travis.yml b/.travis.yml
index b6da3e724a..3b245f6bf7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -22,6 +22,7 @@ sudo: false
 
 addons:
   apt:
+    update: true
     packages:
       - openjdk-8-jdk
       - ant