diff --git a/manifest.json b/manifest.json
index 620229a..f68ad59 100644
--- a/manifest.json
+++ b/manifest.json
@@ -23,7 +23,7 @@
         }
     ],
     "requirements": {
-        "yunohost": ">= 4.1.7"
+        "yunohost": ">= 4.2.0"
     },
     "multi_instance": true,
     "services": [
diff --git a/scripts/install b/scripts/install
index f5da202..7e8e99d 100644
--- a/scripts/install
+++ b/scripts/install
@@ -190,9 +190,9 @@ chown $app:$app "$final_path/live/config/settings.yml"
 ynh_script_progression --message="Configuring a systemd service..."
 
 # Create a dedicated systemd config
-ynh_add_systemd_config --service="$app-web" --template="mastodon-web.service" --others_var="port_web RBENV_ROOT"
-ynh_add_systemd_config --service="$app-sidekiq" --template="mastodon-sidekiq.service" --others_var="RBENV_ROOT"
-ynh_add_systemd_config --service="$app-streaming" --template="mastodon-streaming.service" --others_var="port_stream ynh_node_load_PATH ynh_node"
+ynh_add_systemd_config --service="$app-web" --template="mastodon-web.service"
+ynh_add_systemd_config --service="$app-sidekiq" --template="mastodon-sidekiq.service"
+ynh_add_systemd_config --service="$app-streaming" --template="mastodon-streaming.service"
 
 #=================================================
 # INSTALLING MASTODON
diff --git a/scripts/upgrade b/scripts/upgrade
index 62d576e..c5c46f0 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -247,9 +247,9 @@ chown $app:$app "$config"
 ynh_script_progression --message="Upgrading systemd configuration..."
 
 # Create a dedicated systemd config
-ynh_add_systemd_config --service="$app-web" --template="mastodon-web.service" --others_var="port_web RBENV_ROOT"
-ynh_add_systemd_config --service="$app-sidekiq" --template="mastodon-sidekiq.service" --others_var="RBENV_ROOT"
-ynh_add_systemd_config --service="$app-streaming" --template="mastodon-streaming.service" --others_var="port_stream ynh_node_load_PATH ynh_node"
+ynh_add_systemd_config --service="$app-web" --template="mastodon-web.service"
+ynh_add_systemd_config --service="$app-sidekiq" --template="mastodon-sidekiq.service"
+ynh_add_systemd_config --service="$app-streaming" --template="mastodon-streaming.service"
 
 #=================================================
 # UPGRADE MASTODON
diff --git a/scripts/ynh_install_ruby__2 b/scripts/ynh_install_ruby__2
index fae1755..b12ab74 100644
--- a/scripts/ynh_install_ruby__2
+++ b/scripts/ynh_install_ruby__2
@@ -12,6 +12,7 @@ rbenv_install_dir="/opt/rbenv"
 ruby_version_path="$rbenv_install_dir/versions"
 # RBENV_ROOT is the directory of rbenv, it needs to be loaded as a environment variable.
 export RBENV_ROOT="$rbenv_install_dir"
+export rbenv_root="$rbenv_install_dir"
 
 # Load the version of Ruby for an app, and set variables.
 #