diff --git a/manifest.toml b/manifest.toml
index 5981c6c..3ff5698 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -1,3 +1,5 @@
+#:schema https://raw.githubusercontent.com/YunoHost/apps/master/schemas/manifest.v2.schema.json
+
 packaging_format = 2
 
 id = "tldraw"
@@ -49,9 +51,3 @@ ram.runtime = "50M"
 
     [resources.permissions]
     main.url = "/"
-
-    [resources.apt]
-    packages = ""
-    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 6fac5b0..2331c28 100755
--- a/scripts/install
+++ b/scripts/install
@@ -21,6 +21,7 @@ ynh_install_nodejs --nodejs_version="$NODEJS_VERSION"
 ynh_script_progression --message="Setting up source files..." --weight=1
 
 ynh_setup_source --dest_dir="$install_dir/sources"
+mkdir -p "$install_dir/bin"
 
 chmod -R o-rwx "$install_dir"
 chown -R "$app:www-data" "$install_dir"
@@ -38,12 +39,14 @@ chown -R "$app:www-data" "$install_dir"
 # BUILD YARN DEPENDENCIES
 #=================================================
 
+ynh_use_nodejs
+ynh_exec_as "$app" corepack enable --install-dir "$install_dir/bin"
+
 pushd "$install_dir/sources"
-	ynh_use_nodejs
-	ynh_exec_warn_less ynh_exec_as "$app" env "$ynh_node_load_PATH" yarn cache clean
-	ynh_exec_warn_less ynh_exec_as "$app" env "$ynh_node_load_PATH" yarn install --network-timeout 1000000000
-	ynh_exec_warn_less ynh_exec_as "$app" env "$ynh_node_load_PATH" yarn cache clean
-	ynh_exec_warn_less ynh_exec_as "$app" env "$ynh_node_load_PATH" yarn build
+	ynh_exec_warn_less ynh_exec_as "$app" env COREPACK_ENABLE_DOWNLOAD_PROMPT=0 "$ynh_node_load_PATH" "$install_dir/bin/yarn" cache clean
+	ynh_exec_warn_less ynh_exec_as "$app" env "$ynh_node_load_PATH" "$install_dir/bin/yarn" install --network-timeout 1000000000
+	ynh_exec_warn_less ynh_exec_as "$app" env "$ynh_node_load_PATH" "$install_dir/bin/yarn" cache clean
+	ynh_exec_warn_less ynh_exec_as "$app" env "$ynh_node_load_PATH" "$install_dir/bin/yarn" build
 popd
 
 #=================================================
diff --git a/tests.toml b/tests.toml
index ddbf86a..94abb79 100644
--- a/tests.toml
+++ b/tests.toml
@@ -1,6 +1,5 @@
+#:schema https://raw.githubusercontent.com/YunoHost/apps/master/schemas/tests.v1.schema.json
+
 test_format = 1.0
 
 [default]
-
-
-args.publickey="public"