diff --git a/bigtop-deploy/puppet/modules/ambari/manifests/init.pp b/bigtop-deploy/puppet/modules/ambari/manifests/init.pp
index a8f2219..7143215 100644
--- a/bigtop-deploy/puppet/modules/ambari/manifests/init.pp
+++ b/bigtop-deploy/puppet/modules/ambari/manifests/init.pp
@@ -36,7 +36,11 @@
     exec {
         "server setup":
            command => "/usr/sbin/ambari-server setup -j $(readlink -f /usr/bin/java | sed -e 's@jre/bin/java@@' -e 's@bin/java@@') -s",
-           require => [ Package["ambari-server"], Package["jdk"], Exec["mpack install"] ]
+           require => [ Package["ambari-server"], Package["jdk"], Exec["mpack install"] ],
+           # The default timeout is 300 seconds, but it's sometimes too short to setup Ambari Server.
+           # In most of the successful cases, applying puppet manifest finishes within 600 seconds on CI,
+           # so extend the timeout to that value.
+           timeout => 600,
     }
 
     service { "ambari-server":