diff --git a/scripts/install b/scripts/install
index 3348943..5fd70d6 100755
--- a/scripts/install
+++ b/scripts/install
@@ -43,7 +43,7 @@ finalphpconf="/etc/php5/fpm/pool.d/${app}.conf"
 ynh_app_setting_set "$app" finalphpconf "$finalphpconf"
 
 # We install dependencies
-sudo apt-get install --quiet php5-gd php5-sqlite php5-json php5-intl
+sudo apt-get install --quiet --assume-yes php5-gd php5-sqlite php5-json php5-intl
 
 # Creation of folder
 #sudo rm -rf $final_path
diff --git a/scripts/restore b/scripts/restore
index f9d61e3..a6677ac 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -27,7 +27,7 @@ runninguser=$(ynh_app_setting_get $app runninguser)
 #    || ynh_die "Path not available: ${domain}${path}"
 
 # We install dependencies
-sudo apt-get install --quiet php5-gd php5-sqlite php5-json php5-intl
+sudo apt-get install --quiet --assume-yes php5-gd php5-sqlite php5-json php5-intl
 
 # Restore sources & data
 sudo mkdir -p $final_path
diff --git a/scripts/upgrade b/scripts/upgrade
index 2730a45..255245a 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -25,7 +25,7 @@ finalphpconf=$(ynh_app_setting_get $app finalphpconf)
 runninguser=$(ynh_app_setting_get $app runninguser)
 
 # We install dependencies
-sudo apt-get install --quiet php5-gd php5-sqlite php5-json php5-intl
+sudo apt-get install --quiet --assume-yes php5-gd php5-sqlite php5-json php5-intl
 
 # Modify Nginx configuration file and copy it to Nginx conf directory
 sed -i "s@PATHTOCHANGE@$path@g" ../conf/nginx.conf