diff --git a/.travis.yml b/.travis.yml
index 6d66a50..b71c1c3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -16,7 +16,7 @@ matrix:
 
 before_install:
   - "if [ $TRAVIS_OS_NAME = 'osx' ]; then \
-       brew update \
+       brew update && \
        brew install qt5 && \
        brew link qt5 --force && \
        brew install protobuf && \