diff --git a/hooks/install b/hooks/install
index 1026cee2997a867107d5753c69abcefee28b1fcd..5fd034905307238fda465a443a300651bef3a2c7 100755
--- a/hooks/install
+++ b/hooks/install
@@ -8,7 +8,7 @@ PHP_VER=7.0
 apt -qqy update && apt -qqy dist-upgrade
 
 apt -y install drush apache2 php${PHP_VER}-gd libapache2-mod-php${PHP_VER} \
-  php${PHP_VER}-cgi mysql-client-core-5.7 php${PHP_VER}-json
+  php${PHP_VER}-cgi mysql-client-core-5.7 php${PHP_VER}-json php$(PHP_VER}-xml
 
 a2enmod php$(PHP_VER)