diff --git a/install.sh b/install.sh
index 68a7e3a..c3a424e 100644
--- a/install.sh
+++ b/install.sh
@@ -1,6 +1,7 @@
 # Install java_jdk_1.8.0-45 + TomCat + Maven + MariaDB + configure and deployment OMS app on centos_7 
 # need ROOT + WGET + FTP 
 #
+yum -y update
 yum -y install wget
 # Java #######################################
 cd /opt/