diff --git a/scripts/restore b/scripts/restore
index b56f0ed..9e4a8ca 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -88,6 +88,8 @@ ynh_install_app_dependencies $pkg_dependencies
 
 ynh_install_nodejs 10
 
+ynh_install_extra_app_dependencies --repo="deb https://dl.yarnpkg.com/debian/ stable main" --package="yarn" --key='https://dl.yarnpkg.com/debian/pubkey.gpg'
+
 #=================================================
 # REINSTALL EXTRA DEPENDENCIES
 #=================================================