diff --git a/manifest.toml b/manifest.toml
index aa5ce1f..8149b58 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -58,3 +58,8 @@ ram.runtime = "50M"
     [resources.ports]
     main.default = 9494
 
+    [resources.apt]
+    extras.yarn.repo = "deb https://dl.yarnpkg.com/debian/ stable main"
+    extras.yarn.key = "https://dl.yarnpkg.com/debian/pubkey.gpg"
+    extras.yarn.packages = "yarn"
+
diff --git a/scripts/install b/scripts/install
index 5f0983b..24383f8 100755
--- a/scripts/install
+++ b/scripts/install
@@ -42,12 +42,12 @@ ynh_add_nginx_config
 #=================================================
 # BUILD APP
 #=================================================
-ynh_script_progression --message="Building __APP__..."
+ynh_script_progression --message="Building $app..."
 
 pushd $install_dir
     ynh_use_nodejs
-    ynh_npm install yarn
-    ynh_npm install vite
+    ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH $ynh_npm install vite
+
 	ynh_script_progression --message="npm install... This can be very long, be patient !" --weight=18
 	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH $ynh_npm install --network-timeout=100000
 
diff --git a/scripts/upgrade b/scripts/upgrade
index 9272c9a..13f2021 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -57,7 +57,6 @@ ynh_script_progression --message="Building __APP__..."
 
 pushd $install_dir
     ynh_use_nodejs
-    ynh_npm install yarn
     ynh_npm install vite
 
 	ynh_script_progression --message="npm install... This can be very long, be patient !" --weight=18