diff --git a/scripts/install b/scripts/install
index 211c5cc..3348943 100755
--- a/scripts/install
+++ b/scripts/install
@@ -42,6 +42,8 @@ ynh_app_setting_set "$app" finalnginxconf "$finalnginxconf"
 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
 
 # Creation of folder
 #sudo rm -rf $final_path
diff --git a/scripts/restore b/scripts/restore
index 81254da..f9d61e3 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -26,6 +26,9 @@ runninguser=$(ynh_app_setting_get $app runninguser)
 #sudo yunohost app checkurl "${domain}${path}" -a "$app" \
 #    || ynh_die "Path not available: ${domain}${path}"
 
+# We install dependencies
+sudo apt-get install --quiet php5-gd php5-sqlite php5-json php5-intl
+
 # Restore sources & data
 sudo mkdir -p $final_path
 sudo cp -a ./sources/* $final_path/
diff --git a/scripts/upgrade b/scripts/upgrade
index 3a47e53..2730a45 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -24,6 +24,9 @@ finalnginxconf=$(ynh_app_setting_get $app finalnginxconf)
 finalphpconf=$(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
+
 # Modify Nginx configuration file and copy it to Nginx conf directory
 sed -i "s@PATHTOCHANGE@$path@g" ../conf/nginx.conf
 sed -i "s@ALIASTOCHANGE@$final_path/@g" ../conf/nginx.conf