diff --git a/scripts/upgrade b/scripts/upgrade
index 86478ac..ab36b02 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -97,6 +97,13 @@ chmod 750 "$final_path"
 chmod -R o-rwx "$final_path"
 chown -R $app:www-data "$final_path"
 
+#=================================================
+# UPGRADE DEPENDENCIES
+#=================================================
+ynh_script_progression --message="Upgrading dependencies..."
+
+ynh_install_app_dependencies $pkg_dependencies
+
 #=================================================
 # PHP-FPM CONFIGURATION
 #=================================================