diff --git a/scripts/upgrade b/scripts/upgrade
index e72431e..ed1c22f 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -44,7 +44,7 @@ fi
 #=================================================
 ynh_script_progression --message="Stopping a systemd service..." --weight=1
 
-# Stop bservice before backup, to not loose message in case of failed upgrade and restore
+# Stop service before backup, to not loose message in case of failed upgrade and restore
 ynh_systemd_action --service_name=$app --action="stop" --log_path=systemd --line_match="Stopped"
 
 #=================================================
@@ -121,6 +121,10 @@ ynh_script_progression --message="Upgrading dependencies..." --weight=5
 ynh_install_nodejs --nodejs_version=$NODEJS_VERSION
 ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies
 
+# REMOVE YARN (upgrade from 13.0.x to 13.1.x)
+ynh_script_progression --message="Removing old version dependency..."
+ynh_secure_remove --file="$final_path/.yarn"
+
 #=================================================
 # NGINX CONFIGURATION
 #=================================================