diff --git a/scripts/_common.sh b/scripts/_common.sh
index 3ae3995..487bb6e 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -1,5 +1,11 @@
 #!/bin/bash
 
+#=================================================
+# COMMON VARIABLES
+#=================================================
+
+pkg_dependencies="php-cli php-mbstring php-xml"
+
 #=================================================
 # EXPERIMENTAL HELPERS
 #=================================================
diff --git a/scripts/install b/scripts/install
index 7a4c85d..cf7883e 100644
--- a/scripts/install
+++ b/scripts/install
@@ -54,7 +54,7 @@ ynh_app_setting_set --app=$app --key=path --value=$path_url
 #=================================================
 ynh_script_progression --message="Installing dependencies..." --weight=9
 
-ynh_install_app_dependencies php5-cli
+ynh_install_app_dependencies $pkg_dependencies
 
 #=================================================
 # CREATE A MYSQL DATABASE
diff --git a/scripts/restore b/scripts/restore
index 0745fa6..36132c1 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -6,7 +6,7 @@
 # IMPORT GENERIC HELPERS
 #=================================================
 
-# source ../settings/scripts/_common.sh
+source ../settings/scripts/_common.sh
 source /usr/share/yunohost/helpers
 
 #=================================================
@@ -40,6 +40,12 @@ test ! -d $final_path \
 
 #=================================================
 # STANDARD RESTORATION STEPS
+#=================================================
+# INSTALL DEPENDENCIES
+#=================================================
+
+ynh_install_app_dependencies $pkg_dependencies
+
 #=================================================
 # RESTORE THE NGINX CONFIGURATION
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 03d2033..83f8556 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -73,6 +73,12 @@ ynh_secure_remove --file="/etc/cron.d/$app"
 # Normalize the URL path syntax
 path_url=$(ynh_normalize_url_path --path_url=$path_url)
 
+#=================================================
+# INSTALL DEPENDENCIES
+#=================================================
+
+ynh_install_app_dependencies $pkg_dependencies
+
 #=================================================
 # STANDARD UPGRADE STEPS
 #=================================================