diff --git a/manifest.json b/manifest.json
index 5f47434..713381e 100644
--- a/manifest.json
+++ b/manifest.json
@@ -3,8 +3,8 @@
     "id": "redmine",
     "packaging_format": 1,
     "description": {
-        "en": "A flexible project management web application.",
-        "fr": "Un gestionnaire de projet flexible sous forme d'application web."
+        "en": "Flexible project management web application",
+        "fr": "Gestionnaire de projet flexible sous forme d'application web"
     },
     "version": "4.2.4~ynh2",
     "url": "https://www.redmine.org/",
diff --git a/scripts/install b/scripts/install
index 5c5eb19..63a82c5 100644
--- a/scripts/install
+++ b/scripts/install
@@ -65,7 +65,7 @@ ynh_app_setting_set --app=$app --key=port --value=$port
 #=================================================
 ynh_script_progression --message="Installing dependencies..."
 
-ynh_install_app_dependencies $pkg_dependencies $build_pkg_dependencies
+ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies $build_pkg_dependencies
 ynh_install_ruby --ruby_version=$ruby_version
 
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index 6abd677..15b0de7 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -78,7 +78,7 @@ chown -R $app:www-data "$final_path"
 ynh_script_progression --message="Reinstalling dependencies..."
 
 # Define and install dependencies
-ynh_install_app_dependencies $pkg_dependencies $build_pkg_dependencies
+ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies $build_pkg_dependencies
 ynh_install_ruby --ruby_version=$ruby_version
 
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index c091fa3..5821144 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -109,7 +109,7 @@ ynh_add_nginx_config
 #=================================================
 ynh_script_progression --message="Upgrading dependencies..."
 
-ynh_install_app_dependencies $pkg_dependencies $build_pkg_dependencies
+ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies $build_pkg_dependencies
 ynh_install_ruby --ruby_version=$ruby_version
 
 #=================================================