diff --git a/scripts/install b/scripts/install
index 16750d9..c85767b 100644
--- a/scripts/install
+++ b/scripts/install
@@ -81,7 +81,7 @@ ynh_install_extra_app_dependencies --repo="deb https://dl.yarnpkg.com/debian/ st
 
 if dpkg --compare-versions $(cat /etc/debian_version) ge 11.0
 then
-    ynh_add_app_dependencies --package=$extra_debian_pkg_dependencies
+    ynh_install_extra_app_dependencies --repo="deb http://packages.erlang-solutions.com/debian buster contrib" --package="$extra_pkg_dependencies" --key='https://packages.erlang-solutions.com/debian/erlang_solutions.asc'
 else
     lsb_name="$(lsb_release --codename --short)"
     ynh_install_extra_app_dependencies --repo="deb http://packages.erlang-solutions.com/debian $lsb_name contrib" --package="$extra_pkg_dependencies" --key='https://packages.erlang-solutions.com/debian/erlang_solutions.asc'
diff --git a/scripts/restore b/scripts/restore
index 438c3b9..11af6b9 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -111,7 +111,7 @@ ynh_install_extra_app_dependencies --repo="deb https://dl.yarnpkg.com/debian/ st
 
 if dpkg --compare-versions $(cat /etc/debian_version) ge 11.0
 then
-    ynh_add_app_dependencies --package=$extra_debian_pkg_dependencies
+    ynh_install_extra_app_dependencies --repo="deb http://packages.erlang-solutions.com/debian buster contrib" --package="$extra_pkg_dependencies" --key='https://packages.erlang-solutions.com/debian/erlang_solutions.asc'
 else
     lsb_name="$(lsb_release --codename --short)"
     ynh_install_extra_app_dependencies --repo="deb http://packages.erlang-solutions.com/debian $lsb_name contrib" --package="$extra_pkg_dependencies" --key='https://packages.erlang-solutions.com/debian/erlang_solutions.asc'
diff --git a/scripts/upgrade b/scripts/upgrade
index d98065c..9289772 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -211,12 +211,13 @@ ynh_script_progression --message="Upgrading dependencies..."
 
 ynh_install_app_dependencies $pkg_dependencies
 
-ynh_remove_nodejs
 ynh_install_nodejs --nodejs_version=$NODEJS_VERSION
 
+ynh_install_extra_app_dependencies --repo="deb https://dl.yarnpkg.com/debian/ stable main" --package="yarn" --key='https://dl.yarnpkg.com/debian/pubkey.gpg'
+
 if dpkg --compare-versions $(cat /etc/debian_version) ge 11.0
 then
-    ynh_add_app_dependencies --package=$extra_debian_pkg_dependencies
+    ynh_install_extra_app_dependencies --repo="deb http://packages.erlang-solutions.com/debian buster contrib" --package="$extra_pkg_dependencies" --key='https://packages.erlang-solutions.com/debian/erlang_solutions.asc'
 else
     lsb_name="$(lsb_release --codename --short)"
     ynh_install_extra_app_dependencies --repo="deb http://packages.erlang-solutions.com/debian $lsb_name contrib" --package="$extra_pkg_dependencies" --key='https://packages.erlang-solutions.com/debian/erlang_solutions.asc'