diff --git a/script/ci/before_install.sh b/script/ci/before_install.sh
index a947708c4..34d5e6f73 100755
--- a/script/ci/before_install.sh
+++ b/script/ci/before_install.sh
@@ -7,5 +7,6 @@ envdir="$(readlink -e $(dirname $0))/../env"
 
 if [ "$BUILD_TYPE" = "cucumber" ]; then
   curl http://security.ubuntu.com/ubuntu/pool/main/f/firefox/firefox_16.0.2+build1-0ubuntu0.12.04.1_i386.deb > firefox.deb
+  sudo apt-get install libnotify4
   sudo dpkg -i firefox.deb
 fi