diff --git a/abra.sh b/abra.sh
index 3c364b4..2168a96 100644
--- a/abra.sh
+++ b/abra.sh
@@ -2,6 +2,7 @@
 
 export ENTRYPOINT_VERSION=v2
 export NGINX_CONFIG_VERSION=v1
+export PG_BACKUP_VERSION=v1
 
 file_env() {
     local var="$1"