.travis.yml in zabbixapi-0.5.0 vs .travis.yml in zabbixapi-0.5.1a

@@ -1,9 +1,9 @@
 language: 
   - ruby
 rvm: 
   - 1.9.3
 before_script:
-  - sudo apt-get install mysql-server zabbix-server-mysql zabbix-frontend-php
+  - sudo apt-get update; sudo apt-get install mysql-server zabbix-server-mysql zabbix-frontend-php
   - mysql -u root -e "use zabbix; insert into users_groups(usrgrpid, userid) values(10,1);"
   - echo "$(curl -fsSL https://raw.github.com/gist/8f0df0d1824ea25a3827/zabbix.php)" | sudo tee /usr/share/zabbix/conf/zabbix.conf.php
 script: "bundle exec rspec spec/run.rb"