diff --git a/.travis.yml b/.travis.yml
index 9e85b69ae..5071b7cc9 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -18,8 +18,7 @@ compiler:
   - gcc
 before_install:
   - sudo apt-get update -qq
-  - sudo apt-get upgrade -y -qq
-  - sudo apt-get install -y -qq apache2 mysql-server php5 php5-mysql build-essential libmysqlclient-dev libssl-dev libbz2-dev libpcre3-dev libdbi-perl libarchive-zip-perl libdate-manip-perl libdevice-serialport-perl libmime-perl libpcre3 libwww-perl libdbd-mysql-perl libsys-mmap-perl yasm subversion automake autoconf cmake libjpeg-turbo8-dev libjpeg-turbo8 apache2-mpm-prefork libapache2-mod-php5 php5-cli libtheora-dev libvorbis-dev libvpx-dev libx264-dev 2>&1 > /dev/null 
+  - sudo apt-get install -y -qq zlib1g-dev apache2 mysql-server php5 php5-mysql build-essential libmysqlclient-dev libssl-dev libbz2-dev libpcre3-dev libdbi-perl libarchive-zip-perl libdate-manip-perl libdevice-serialport-perl libmime-perl libwww-perl libdbd-mysql-perl libsys-mmap-perl yasm subversion automake autoconf cmake libjpeg-turbo8-dev apache2-mpm-prefork libapache2-mod-php5 php5-cli libtheora-dev libvorbis-dev libvpx-dev libx264-dev 2>&1 > /dev/null 
 install:
   - git clone --depth=10 --branch=master git://source.ffmpeg.org/ffmpeg.git 
   - cd ffmpeg