diff --git a/.travis.yml b/.travis.yml
index a8ec3a18..7a074d34 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -78,6 +78,7 @@ addons:
     update: true
     packages: [ liblzo2-dev, libpam0g-dev, liblz4-dev, linux-libc-dev, man2html, mingw-w64]
   homebrew:
+    update: true
     packages: [ lzo ]
 
 cache: