diff --git a/scripts/upgrade b/scripts/upgrade
index 375258c..55b1f1d 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -175,6 +175,9 @@ ynh_use_logrotate --logfile="/var/log/$app/$app-exporter.log"
 #=================================================
 # UPDATE A CONFIG FILE
 #=================================================
+ynh_script_progression --message="Updating database configuration..."
+ynh_psql_execute_as_root --sql="CREATE EXTENSION IF NOT EXISTS pg_trgm;" --database=$db_name
+
 ynh_script_progression --message="Updating a configuration file..."
 
 ynh_add_config --template="config.js" --destination="$install_dir/frontend/js/config.js"