diff --git a/tests/Dockerfile b/tests/Dockerfile
index b02c524647..b43b9b7f22 100644
--- a/tests/Dockerfile
+++ b/tests/Dockerfile
@@ -2,89 +2,94 @@ FROM centos:centos6
 MAINTAINER Pandora FMS Team <info@pandorafms.com>
 
 RUN { \
-echo '[EPEL]'; \
-echo 'name = CentOS Epel'; \
-echo 'baseurl = http://dl.fedoraproject.org/pub/epel/6/x86_64'; \
-echo 'enabled=1'; \
-echo 'gpgcheck=0'; \
+	echo '[EPEL]'; \
+	echo 'name = CentOS Epel'; \
+	echo 'baseurl = http://dl.fedoraproject.org/pub/epel/6/x86_64'; \
+	echo 'enabled=1'; \
+	echo 'gpgcheck=0'; \
 } > /etc/yum.repos.d/extra_repos.repo
 
 RUN { \
-echo '[artica_pandorafms]'; \
-echo 'name=CentOS6 - PandoraFMS official repo'; \
-echo 'baseurl=http://artica.es/centos6'; \
-echo 'gpgcheck=0'; \
-echo 'enabled=1'; \
+        echo '[artica_pandorafms]'; \
+        echo 'name=CentOS6 - PandoraFMS official repo'; \
+        echo 'baseurl=http://artica.es/centos6'; \
+        echo 'gpgcheck=0'; \
+        echo 'enabled=1'; \
 } > /etc/yum.repos.d/pandorafms.repo
 
+RUN yum -y update; yum clean all;
+
 # Generic dependencies
-RUN yum install -y firefox
-RUN yum install -y python-pip
-RUN yum install -y xorg-x11-server-Xvfb
+RUN yum install -y \
+	firefox
+	python-pip
+	xorg-x11-server-Xvfb
 RUN pip install pyvirtualdisplay
 RUN pip install selenium
 
 # Pandora FMS Console dependencies
-RUN yum install -y git
-RUN yum install -y httpd
-RUN yum install -y cronie
-RUN yum install -y ntp
-RUN yum install -y openldap
-RUN yum install -y anytermd
-RUN yum install -y nfdump
-RUN yum install -y wget
-RUN yum install -y curl
-RUN yum install -y openldap
-RUN yum install -y plymouth
-RUN yum install -y xterm
-RUN yum install -y php 
-RUN yum install -y php-gd 
-RUN yum install -y graphviz 
-RUN yum install -y php-mysql 
-RUN yum install -y php-pear-DB 
-RUN yum install -y php-pear
-RUN yum install -y php-pdo
-RUN yum install -y php-mbstring 
-RUN yum install -y php-ldap 
-RUN yum install -y php-snmp 
-RUN yum install -y php-ldap 
-RUN yum install -y php-common 
-RUN yum install -y php-zip 
-RUN yum install -y nmap
-RUN yum install -y xprobe2
-RUN yum install -y mysql-server
-RUN yum install -y mysql
+RUN yum install -y \ 
+	git \
+	httpd \
+	cronie \
+	ntp \
+	openldap \
+	anytermd \
+	nfdump \
+	wget \
+	curl \
+	openldap \
+	plymouth \
+	xterm \
+	php \ 
+	php-gd \ 
+	graphviz \ 
+	php-mysql \ 
+	php-pear-DB \ 
+	php-pear \
+	php-pdo \
+	php-mbstring \ 
+	php-ldap \ 
+	php-snmp \ 
+	php-ldap \ 
+	php-common \ 
+	php-zip \ 
+	nmap \
+	xprobe2 \
+	mysql-server \
+	mysql
 
 # Pandora FMS Server dependencies
-RUN yum install -y git
-RUN yum install -y cronie
-RUN yum install -y ntp
-RUN yum install -y wget
-RUN yum install -y curl
-RUN yum install -y xterm
-RUN yum install -y postfix
-RUN yum install -y wmic
-RUN yum install -y perl-HTML-Tree 
-RUN yum install -y perl-DBI 
-RUN yum install -y perl-DBD-mysql 
-RUN yum install -y perl-libwww-perl 
-RUN yum install -y perl-XML-Simple 
-RUN yum install -y perl-XML-SAX 
-RUN yum install -y perl-NetAddr-IP 
-RUN yum install -y net-snmp 
-RUN yum install -y net-tools 
-RUN yum install -y perl-IO-Socket-INET6 
-RUN yum install -y perl-Socket6 
-RUN yum install -y nmap 
-RUN yum install -y sudo 
-RUN yum install -y xprobe2 
-RUN yum install -y make 
-RUN yum install -y perl-CPAN 
-RUN yum install -y perl-JSON 
-RUN yum install -y net-snmp-perl 
-RUN yum install -y perl-Time-HiRes 
-RUN yum install -y perl-XML-Twig 
-RUN yum install -y perl-Encode-Locale
-RUN yum install -y net-snmp
-RUN yum install -y net-snmp-utils
+RUN yum install -y \ 
+	git \
+	cronie \
+	ntp \
+	wget \
+	curl \
+	xterm \
+	postfix \
+	wmic \
+	perl-HTML-Tree \ 
+	perl-DBI \ 
+	perl-DBD-mysql \ 
+	perl-libwww-perl \ 
+	perl-XML-Simple \ 
+	perl-XML-SAX \ 
+	perl-NetAddr-IP \ 
+	net-snmp \ 
+	net-tools \ 
+	perl-IO-Socket-INET6 \ 
+	perl-Socket6 \ 
+	nmap \ 
+	sudo \ 
+	xprobe2 \ 
+	make \ 
+	perl-CPAN \ 
+	perl-JSON \ 
+	net-snmp-perl \ 
+	perl-Time-HiRes \ 
+	perl-XML-Twig \ 
+	perl-Encode-Locale \
+	net-snmp \
+	net-snmp-utils