diff --git a/scripts/upgrade b/scripts/upgrade
index 22623bb..fae3474 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -10,6 +10,8 @@ final_path=/opt/yunohost/$app
 # Source YunoHost helpers
 source /usr/share/yunohost/helpers
 
+cp -a "/opt/yunohost/$app/AdGuardHome.yaml /opt/yunohost/$app/AdGuardHome.yaml.bak.$(date)"
+
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================