diff --git a/.travis.yml b/.travis.yml
index 1abfe47d..aa66fd8a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,6 +4,7 @@ go:
  - release
  - tip
 before_install:
+ - sudo apt-get update
  - sudo apt-get -y install autoconf automake build-essential git libass-dev libgpac-dev libsdl1.2-dev libtheora-dev libtool libva-dev libvdpau-dev libvorbis-dev libx11-dev libxext-dev libxfixes-dev pkg-config texi2html zlib1g-dev yasm libmp3lame-dev libvpx-dev cmake libgtk2.0-dev pkg-config libjpeg8 libjpeg8-dev libgstreamer0.10-0 libgstreamer0.10-dev gstreamer0.10-tools gstreamer0.10-plugins-base libgstreamer-plugins-base0.10-dev gstreamer0.10-plugins-good gstreamer0.10-plugins-ugly gstreamer0.10-plugins-bad gstreamer0.10-ffmpeg
  - wget https://github.com/Itseez/opencv/archive/2.4.8.2.tar.gz
  - tar xvf 2.4.8.2.tar.gz